TopStudy

Toán · Lớp 4

Phiếu rèn kĩ năng tính toán Toán lớp 4 Phép trừ phân số có đáp án

6 câu · 10 phút · Ngân hàng đề TopStudy. Đáp án và lời giải do TopStudy biên soạn, mở ngay dưới từng câu.

Làm bài

Nội dung đề

Phần I. Tự luận

Câu 1

1 điểm
137−47=..........\begin{array}{cccccccccccccccccccc}{13}\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ = }}..........43−23=............\begin{array}{cccccccccccccccccccc}4\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}............1411−111=..........\begin{array}{cccccccccccccccccccc}{14}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{11}\end{array}{\rm{ = }}..........52−32=............\begin{array}{cccccccccccccccccccc}5\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline2\end{array}{\rm{ = }}............
1310−1110=..........\begin{array}{cccccccccccccccccccc}{13}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{10}\end{array}{\rm{ = }}..........75−65=............\begin{array}{cccccccccccccccccccc}7\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline5\end{array}{\rm{ = }}............109−89=...........\begin{array}{cccccccccccccccccccc}{10}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline9\end{array}{\rm{ = }}...........54−34=............\begin{array}{cccccccccccccccccccc}5\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}............
98−78=............\begin{array}{cccccccccccccccccccc}9\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline8\end{array}{\rm{ = }}............116−56=............\begin{array}{cccccccccccccccccccc}{11}\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}............1712−112=..........\begin{array}{cccccccccccccccccccc}{17}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}..........57−17=..........\begin{array}{cccccccccccccccccccc}5\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}{\rm{ = }}..........
3324−724=..........\begin{array}{cccccccccccccccccccc}{33}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{24}\end{array}{\rm{ = }}..........7645−845=..........\begin{array}{cccccccccccccccccccc}{76}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{45}\end{array}{\rm{ = }}..........2318−818=..........\begin{array}{cccccccccccccccccccc}{23}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{18}\end{array}{\rm{ = }}..........1766−1366=..........\begin{array}{cccccccccccccccccccc}{17}\\\hline{66}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{66}\end{array}{\rm{ = }}..........
4329−1329=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{29}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{29}\end{array}{\rm{ = }}..........1081−881=..........\begin{array}{cccccccccccccccccccc}{10}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{81}\end{array}{\rm{ = }}..........1917−817=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{17}\end{array}{\rm{ = }}..........6740−340=..........\begin{array}{cccccccccccccccccccc}{67}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{40}\end{array}{\rm{ = }}..........
5334−2134=..........\begin{array}{cccccccccccccccccccc}{53}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{21}\\\hline{34}\end{array}{\rm{ = }}..........2176−976=..........\begin{array}{cccccccccccccccccccc}{21}\\\hline{76}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{76}\end{array}{\rm{ = }}..........4932−932=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{32}\end{array}{\rm{ = }}..........3160−1160=..........\begin{array}{cccccccccccccccccccc}{31}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{60}\end{array}{\rm{ = }}..........
2567−1067=..........\begin{array}{cccccccccccccccccccc}{25}\\\hline{67}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{67}\end{array}{\rm{ = }}..........4027−1027=..........\begin{array}{cccccccccccccccccccc}{40}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{27}\end{array}{\rm{ = }}..........5063−863=..........\begin{array}{cccccccccccccccccccc}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{63}\end{array}{\rm{ = }}..........7344−1944=..........\begin{array}{cccccccccccccccccccc}{73}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{44}\end{array}{\rm{ = }}..........
4128−928=..........\begin{array}{cccccccccccccccccccc}{41}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{28}\end{array}{\rm{ = }}..........8650−1350=..........\begin{array}{cccccccccccccccccccc}{86}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{50}\end{array}{\rm{ = }}..........3164−1364=..........\begin{array}{cccccccccccccccccccc}{31}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{64}\end{array}{\rm{ = }}..........2922−122=..........\begin{array}{cccccccccccccccccccc}{29}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{22}\end{array}{\rm{ = }}..........
4948−1748=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{48}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{48}\end{array}{\rm{ = }}..........9756−2556=..........\begin{array}{cccccccccccccccccccc}{97}\\\hline{56}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{56}\end{array}{\rm{ = }}..........5233−833=..........\begin{array}{cccccccccccccccccccc}{52}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{33}\end{array}{\rm{ = }}..........3123−623=..........\begin{array}{cccccccccccccccccccc}{31}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{23}\end{array}{\rm{ = }}..........
5362−1762=..........\begin{array}{cccccccccccccccccccc}{53}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{62}\end{array}{\rm{ = }}..........6120−920=..........\begin{array}{cccccccccccccccccccc}{61}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{20}\end{array}{\rm{ = }}..........7143−943=..........\begin{array}{cccccccccccccccccccc}{71}\\\hline{43}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{43}\end{array}{\rm{ = }}..........1315−1115=..........\begin{array}{cccccccccccccccccccc}{13}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{15}\end{array}{\rm{ = }}..........
9855−1255=..........\begin{array}{cccccccccccccccccccc}{98}\\\hline{55}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{12}\\\hline{55}\end{array}{\rm{ = }}..........4975−1475=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{75}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{75}\end{array}{\rm{ = }}..........6741−1241=..........\begin{array}{cccccccccccccccccccc}{67}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{12}\\\hline{41}\end{array}{\rm{ = }}..........7947−1047=..........\begin{array}{cccccccccccccccccccc}{79}\\\hline{47}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{47}\end{array}{\rm{ = }}..........
9103−7103=........\begin{array}{cccccccccccccccccccc}9\\\hline{103}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{103}\end{array}{\rm{ = }}........1110−310=..........\begin{array}{cccccccccccccccccccc}{11}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ = }}..........2319−719=..........\begin{array}{cccccccccccccccccccc}{23}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{19}\end{array}{\rm{ = }}..........3977−677=........\begin{array}{cccccccccccccccccccc}{39}\\\hline{77}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{77}\end{array}{\rm{ = }}........
6539−1639=..........\begin{array}{cccccccccccccccccccc}{65}\\\hline{39}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{39}\end{array}{\rm{ = }}..........1669−1469=..........\begin{array}{cccccccccccccccccccc}{16}\\\hline{69}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{69}\end{array}{\rm{ = }}..........6138−738=..........\begin{array}{cccccccccccccccccccc}{61}\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{38}\end{array}{\rm{ = }}..........4378−2578=........\begin{array}{cccccccccccccccccccc}{43}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{78}\end{array}{\rm{ = }}........
1965−1165=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline{65}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{65}\end{array}{\rm{ = }}..........9153−1953=..........\begin{array}{cccccccccccccccccccc}{91}\\\hline{53}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{53}\end{array}{\rm{ = }}..........10109−5109=........\begin{array}{cccccccccccccccccccc}{10}\\\hline{109}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{109}\end{array}{\rm{ = }}........7746−1346=........\begin{array}{cccccccccccccccccccc}{77}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{46}\end{array}{\rm{ = }}........
8952−752=........\begin{array}{cccccccccccccccccccc}{89}\\\hline{52}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{52}\end{array}{\rm{ = }}........1930−130=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{30}\end{array}{\rm{ = }}..........5936−536=..........\begin{array}{cccccccccccccccccccc}{59}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{36}\end{array}{\rm{ = }}..........8349−1549=........\begin{array}{cccccccccccccccccccc}{83}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{15}\\\hline{49}\end{array}{\rm{ = }}........
Xem đáp án và lời giải

Hướng dẫn chấm do TopStudy biên soạn, mang tính gợi ý

137−47=97\begin{array}{cccccccccccccccccccc}{13}\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline7\end{array}43−23=23\begin{array}{cccccccccccccccccccc}4\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}1411−111=1311\begin{array}{cccccccccccccccccccc}{14}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{11}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{11}\end{array}52−32=1\begin{array}{cccccccccccccccccccc}5\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline2\end{array}{\rm{ = 1}}
1310−1110=15\begin{array}{cccccccccccccccccccc}{13}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}75−65=15\begin{array}{cccccccccccccccccccc}7\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}109−89=29\begin{array}{cccccccccccccccccccc}{10}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}54−34=12\begin{array}{cccccccccccccccccccc}5\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}
98−78=14\begin{array}{cccccccccccccccccccc}9\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}116−56=1\begin{array}{cccccccccccccccccccc}{11}\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = 1}}1712−112=43\begin{array}{cccccccccccccccccccc}{17}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline3\end{array}57−17=47\begin{array}{cccccccccccccccccccc}5\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}
3324−724=1312\begin{array}{cccccccccccccccccccc}{33}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{24}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{12}\end{array}7645−845=6845\begin{array}{cccccccccccccccccccc}{76}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{45}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{68}\\\hline{45}\end{array}2318−818=56\begin{array}{cccccccccccccccccccc}{23}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}1766−1366=233\begin{array}{cccccccccccccccccccc}{17}\\\hline{66}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{66}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{33}\end{array}
4329−1329=3029\begin{array}{cccccccccccccccccccc}{43}\\\hline{29}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{29}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{30}\\\hline{29}\end{array}1081−881=281\begin{array}{cccccccccccccccccccc}{10}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{81}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{81}\end{array}1917−817=1117\begin{array}{cccccccccccccccccccc}{19}\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{17}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{17}\end{array}6740−340=85\begin{array}{cccccccccccccccccccc}{67}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{40}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}8\\\hline5\end{array}
5334−2134=1617\begin{array}{cccccccccccccccccccc}{53}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{21}\\\hline{34}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{17}\end{array}2176−976=319\begin{array}{cccccccccccccccccccc}{21}\\\hline{76}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{76}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{19}\end{array}4932−932=54\begin{array}{cccccccccccccccccccc}{49}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{32}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline4\end{array}3160−1160=13\begin{array}{cccccccccccccccccccc}{31}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{60}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}
2567−1067=1567\begin{array}{cccccccccccccccccccc}{25}\\\hline{67}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{67}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{15}\\\hline{67}\end{array}4027−1027=109\begin{array}{cccccccccccccccccccc}{40}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{27}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{10}\\\hline9\end{array}5063−863=23\begin{array}{cccccccccccccccccccc}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{63}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}7344−1944=2722\begin{array}{cccccccccccccccccccc}{73}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{44}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{27}\\\hline{22}\end{array}
4128−928=87\begin{array}{cccccccccccccccccccc}{41}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{28}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}8\\\hline7\end{array}8650−1350=7350\begin{array}{cccccccccccccccccccc}{86}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{50}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{73}\\\hline{50}\end{array}3164−1364=932\begin{array}{cccccccccccccccccccc}{31}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{64}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{32}\end{array}2922−122=1411\begin{array}{cccccccccccccccccccc}{29}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{22}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{11}\end{array}
4948−1748=23\begin{array}{cccccccccccccccccccc}{49}\\\hline{48}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{48}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}9756−2556=97\begin{array}{cccccccccccccccccccc}{97}\\\hline{56}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{56}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline7\end{array}5233−833=43\begin{array}{cccccccccccccccccccc}{52}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{33}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline3\end{array}3123−623=2523\begin{array}{cccccccccccccccccccc}{31}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{23}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{23}\end{array}
5362−1762=1831\begin{array}{cccccccccccccccccccc}{53}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{62}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{18}\\\hline{31}\end{array}6120−920=135\begin{array}{cccccccccccccccccccc}{61}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline5\end{array}7143−943=6243\begin{array}{cccccccccccccccccccc}{71}\\\hline{43}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{43}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{62}\\\hline{43}\end{array}1315−1115=215\begin{array}{cccccccccccccccccccc}{13}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{15}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}
9855−1255=8655\begin{array}{cccccccccccccccccccc}{98}\\\hline{55}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{12}\\\hline{55}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{86}\\\hline{55}\end{array}4975−1475=715\begin{array}{cccccccccccccccccccc}{49}\\\hline{75}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{75}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{15}\end{array}6741−1241=5541\begin{array}{cccccccccccccccccccc}{67}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{12}\\\hline{41}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{55}\\\hline{41}\end{array}7947−1047=6947\begin{array}{cccccccccccccccccccc}{79}\\\hline{47}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{47}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{69}\\\hline{47}\end{array}
9103−7103=2103\begin{array}{cccccccccccccccccccc}9\\\hline{103}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{103}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{103}\end{array}1110−310=45\begin{array}{cccccccccccccccccccc}{11}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}2319−719=1619\begin{array}{cccccccccccccccccccc}{23}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{19}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{19}\end{array}3977−677=37\begin{array}{cccccccccccccccccccc}{39}\\\hline{77}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{77}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}
6539−1639=4939\begin{array}{cccccccccccccccccccc}{65}\\\hline{39}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{39}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{49}\\\hline{39}\end{array}1669−1469=269\begin{array}{cccccccccccccccccccc}{16}\\\hline{69}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{69}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{69}\end{array}6138−738=2719\begin{array}{cccccccccccccccccccc}{61}\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{38}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{27}\\\hline{19}\end{array}4378−2578=313\begin{array}{cccccccccccccccccccc}{43}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{78}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{13}\end{array}
1965−1165=865\begin{array}{cccccccccccccccccccc}{19}\\\hline{65}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{65}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}8\\\hline{65}\end{array}9153−1953=7253\begin{array}{cccccccccccccccccccc}{91}\\\hline{53}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{53}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{72}\\\hline{53}\end{array}10109−5109=5109\begin{array}{cccccccccccccccccccc}{10}\\\hline{109}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{109}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{109}\end{array}7746−1346=3223\begin{array}{cccccccccccccccccccc}{77}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{46}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{32}\\\hline{23}\end{array}
8952−752=4126\begin{array}{cccccccccccccccccccc}{89}\\\hline{52}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{52}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{41}\\\hline{26}\end{array}1930−130=35\begin{array}{cccccccccccccccccccc}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{30}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}5936−536=32\begin{array}{cccccccccccccccccccc}{59}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{36}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline2\end{array}8349−1549=6849\begin{array}{cccccccccccccccccccc}{83}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{15}\\\hline{49}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{68}\\\hline{49}\end{array}

Câu 2

1 điểm
56−23=...........\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}...........78−34=..........\begin{array}{cccccccccccccccccccc}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}..........910−25=...........\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}...........1112−56=..........\begin{array}{cccccccccccccccccccc}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}..........
1315−25=..........\begin{array}{cccccccccccccccccccc}{13}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}..........89−23=..........\begin{array}{cccccccccccccccccccc}8\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}..........{\rm{ }}1112−13=..........\begin{array}{cccccccccccccccccccc}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ = }}..........1118−49=..........\begin{array}{cccccccccccccccccccc}{11}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}{\rm{ = }}..........
1114−37=..........\begin{array}{cccccccccccccccccccc}{11}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}{\rm{ = }}..........916−18=..........\begin{array}{cccccccccccccccccccc}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}..........1724−512=..........\begin{array}{cccccccccccccccccccc}{17}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ = }}..........2315−15=..........\begin{array}{cccccccccccccccccccc}{23}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}{\rm{ = }}..........{\rm{ }}
1721−23=..........\begin{array}{cccccccccccccccccccc}{17}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}..........{\rm{ }}3524−16=..........\begin{array}{cccccccccccccccccccc}{35}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}..........{\rm{ }}1930−215=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}{\rm{ = }}..........{\rm{ }}2340−38=..........\begin{array}{cccccccccccccccccccc}{23}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}..........
4950−125=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{25}\end{array}{\rm{ = }}..........{\rm{ }}9145−415=..........\begin{array}{cccccccccccccccccccc}{91}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}{\rm{ = }}..........{\rm{ }}2960−16=..........\begin{array}{cccccccccccccccccccc}{29}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}..........{\rm{ }}4190−1130=..........\begin{array}{cccccccccccccccccccc}{41}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{30}\end{array}{\rm{ = }}..........{\rm{ }}
970−335=..........\begin{array}{cccccccccccccccccccc}9\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{35}\end{array}{\rm{ = }}..........{\rm{ }}4178−126=..........\begin{array}{cccccccccccccccccccc}{41}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{26}\end{array}{\rm{ = }}..........{\rm{ }}7182−341=..........\begin{array}{cccccccccccccccccccc}{71}\\\hline{82}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{41}\end{array}{\rm{ = }}..........4798−114=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{14}\end{array}{\rm{ = }}..........
97102−134=........\begin{array}{cccccccccccccccccccc}{97}\\\hline{102}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{34}\end{array}{\rm{ = }}........51106−253=..........\begin{array}{cccccccccccccccccccc}{51}\\\hline{106}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{53}\end{array}{\rm{ = }}..........{\rm{ }}3427−29=..........\begin{array}{cccccccccccccccccccc}{34}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ = }}..........{\rm{ }}3728−17=..........\begin{array}{cccccccccccccccccccc}{37}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}{\rm{ = }}..........{\rm{ }}
4132−38=..........\begin{array}{cccccccccccccccccccc}{41}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}..........{\rm{ }}4336−112=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}..........{\rm{ }}4742−1114=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{14}\end{array}{\rm{ = }}..........{\rm{ }}5645−59=..........\begin{array}{cccccccccccccccccccc}{56}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline9\end{array}{\rm{ = }}..........{\rm{ }}
2542−17=..........\begin{array}{cccccccccccccccccccc}{25}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}{\rm{ = }}..........{\rm{ }}6154−1318=..........\begin{array}{cccccccccccccccccccc}{61}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{18}\end{array}{\rm{ = }}..........6449−27=..........\begin{array}{cccccccccccccccccccc}{64}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ = }}..........{\rm{ }}111−122=..........\begin{array}{cccccccccccccccccccc}1\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{22}\end{array}{\rm{ = }}..........
813−526=..........\begin{array}{cccccccccccccccccccc}8\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{26}\end{array}{\rm{ = }}..........{\rm{ }}2330−25=...........\begin{array}{cccccccccccccccccccc}{23}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}...........4736−56=...........\begin{array}{cccccccccccccccccccc}{47}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}...........6124−94=..........\begin{array}{cccccccccccccccccccc}{61}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline4\end{array}{\rm{ = }}..........
2033−611=..........\begin{array}{cccccccccccccccccccc}{20}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{11}\end{array}{\rm{ = }}..........47126−118=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ = }}..........12−18=..........\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}..........815−25=..........\begin{array}{cccccccccccccccccccc}8\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}..........
317−485=..........\begin{array}{cccccccccccccccccccc}3\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{85}\end{array}{\rm{ = }}..........9998−314=..........\begin{array}{cccccccccccccccccccc}{99}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{14}\end{array}{\rm{ = }}..........1790−118=..........\begin{array}{cccccccccccccccccccc}{17}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ = }}..........3745−2135=..........\begin{array}{cccccccccccccccccccc}{37}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{135}\end{array}{\rm{ = }}..........
7154−56=..........\begin{array}{cccccccccccccccccccc}{71}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}..........5063−27=..........\begin{array}{cccccccccccccccccccc}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ = }}..........14081−139=..........\begin{array}{cccccccccccccccccccc}{140}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline9\end{array}{\rm{ = }}..........4784−512=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{84}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ = }}..........
1924−772=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{72}\end{array}{\rm{ = }}..........4321−863=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{63}\end{array}{\rm{ = }}..........4633−1499=..........\begin{array}{cccccccccccccccccccc}{46}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{99}\end{array}{\rm{ = }}..........1526−1378=..........\begin{array}{cccccccccccccccccccc}{15}\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{78}\end{array}{\rm{ = }}..........
4722−166=.........\begin{array}{cccccccccccccccccccc}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{66}\end{array}{\rm{ = }}.........13120−120=..........\begin{array}{cccccccccccccccccccc}{13}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}{\rm{ = }}..........47108−718=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{108}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{18}\end{array}{\rm{ = }}..........6727−11135=.........\begin{array}{cccccccccccccccccccc}{67}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{135}\end{array}{\rm{ = }}.........
Xem đáp án và lời giải

Hướng dẫn chấm do TopStudy biên soạn, mang tính gợi ý

56−23=16\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}78−34=18\begin{array}{cccccccccccccccccccc}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}910−25=12\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}1112−56=112\begin{array}{cccccccccccccccccccc}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}
1315−25=715\begin{array}{cccccccccccccccccccc}{13}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{15}\end{array}89−23=29\begin{array}{cccccccccccccccccccc}8\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}1112−13=712\begin{array}{cccccccccccccccccccc}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{12}\end{array}1118−49=16\begin{array}{cccccccccccccccccccc}{11}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}
1114−37=514\begin{array}{cccccccccccccccccccc}{11}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{14}\end{array}916−18=716\begin{array}{cccccccccccccccccccc}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{16}\end{array}1724−512=724\begin{array}{cccccccccccccccccccc}{17}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{24}\end{array}2315−15=43\begin{array}{cccccccccccccccccccc}{23}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline3\end{array}
1721−23=17\begin{array}{cccccccccccccccccccc}{17}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}3524−16=3124\begin{array}{cccccccccccccccccccc}{35}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{24}\end{array}1930−215=12\begin{array}{cccccccccccccccccccc}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}2340−38=15\begin{array}{cccccccccccccccccccc}{23}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}
4950−125=4750\begin{array}{cccccccccccccccccccc}{49}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{25}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{47}\\\hline{50}\end{array}9145−415=7945\begin{array}{cccccccccccccccccccc}{91}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{79}\\\hline{45}\end{array}2960−16=1960\begin{array}{cccccccccccccccccccc}{29}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{60}\end{array}4190−1130=445\begin{array}{cccccccccccccccccccc}{41}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{30}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{45}\end{array}
970−335=370\begin{array}{cccccccccccccccccccc}9\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{35}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{70}\end{array}4178−126=1939\begin{array}{cccccccccccccccccccc}{41}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{26}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{39}\end{array}7182−341=6582\begin{array}{cccccccccccccccccccc}{71}\\\hline{82}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{41}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{65}\\\hline{82}\end{array}4798−114=2049\begin{array}{cccccccccccccccccccc}{47}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{14}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{20}\\\hline{49}\end{array}
97102−134=4751\begin{array}{cccccccccccccccccccc}{97}\\\hline{102}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{34}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{47}\\\hline{51}\end{array}51106−253=47106\begin{array}{cccccccccccccccccccc}{51}\\\hline{106}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{53}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{47}\\\hline{106}\end{array}3427−29=2827\begin{array}{cccccccccccccccccccc}{34}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{28}\\\hline{27}\end{array}3728−17=3328\begin{array}{cccccccccccccccccccc}{37}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{33}\\\hline{28}\end{array}
4132−38=2932\begin{array}{cccccccccccccccccccc}{41}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{32}\end{array}4336−112=109\begin{array}{cccccccccccccccccccc}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{10}\\\hline9\end{array}4742−1114=13\begin{array}{cccccccccccccccccccc}{47}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{14}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}5645−59=3145\begin{array}{cccccccccccccccccccc}{56}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{45}\end{array}
2542−17=1942\begin{array}{cccccccccccccccccccc}{25}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{42}\end{array}6154−1318=1127\begin{array}{cccccccccccccccccccc}{61}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{27}\end{array}6449−27=5049\begin{array}{cccccccccccccccccccc}{64}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{50}\\\hline{49}\end{array}111−122=122\begin{array}{cccccccccccccccccccc}1\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{22}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{22}\end{array}
813−526=1126\begin{array}{cccccccccccccccccccc}8\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{26}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{26}\end{array}2330−25=1130\begin{array}{cccccccccccccccccccc}{23}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{30}\end{array}4736−56=1736\begin{array}{cccccccccccccccccccc}{47}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{36}\end{array}6124−94=724\begin{array}{cccccccccccccccccccc}{61}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{24}\end{array}
2033−611=233\begin{array}{cccccccccccccccccccc}{20}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{11}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{33}\end{array}47126−118=2063\begin{array}{cccccccccccccccccccc}{47}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{20}\\\hline{63}\end{array}12−18=38\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}815−25=215\begin{array}{cccccccccccccccccccc}8\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}
317−485=1185\begin{array}{cccccccccccccccccccc}3\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{85}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{85}\end{array}9998−314=3949\begin{array}{cccccccccccccccccccc}{99}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{14}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{39}\\\hline{49}\end{array}1790−118=215\begin{array}{cccccccccccccccccccc}{17}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}3745−2135=109135\begin{array}{cccccccccccccccccccc}{37}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{135}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{109}\\\hline{135}\end{array}
7154−56=1327\begin{array}{cccccccccccccccccccc}{71}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{27}\end{array}5063−27=3263\begin{array}{cccccccccccccccccccc}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{32}\\\hline{63}\end{array}14081−139=2381\begin{array}{cccccccccccccccccccc}{140}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{81}\end{array}4784−512=17\begin{array}{cccccccccccccccccccc}{47}\\\hline{84}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}
1924−772=2536\begin{array}{cccccccccccccccccccc}{19}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{72}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{36}\end{array}4321−863=12163\begin{array}{cccccccccccccccccccc}{43}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{63}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{121}\\\hline{63}\end{array}4633−1499=12499\begin{array}{cccccccccccccccccccc}{46}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{99}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{124}\\\hline{99}\end{array}1526−1378=1639\begin{array}{cccccccccccccccccccc}{15}\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{78}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{39}\end{array}
4722−166=7033\begin{array}{cccccccccccccccccccc}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{66}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{70}\\\hline{33}\end{array}13120−120=7120\begin{array}{cccccccccccccccccccc}{13}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{120}\end{array}47108−718=5108\begin{array}{cccccccccccccccccccc}{47}\\\hline{108}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{108}\end{array}6727−11135=125\begin{array}{cccccccccccccccccccc}{67}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{135}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{12}\\\hline5\end{array}

Câu 3

1 điểm
234−92=...........\begin{array}{cccccccccccccccccccc}{23}\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline2\end{array}{\rm{ = }}...........4649−47=..........\begin{array}{cccccccccccccccccccc}{46}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ = }}..........4522−311=...........\begin{array}{cccccccccccccccccccc}{45}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{11}\end{array}{\rm{ = }}...........3395−219=..........\begin{array}{cccccccccccccccccccc}{33}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{19}\end{array}{\rm{ = }}..........
4685−317=..........\begin{array}{cccccccccccccccccccc}{46}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{17}\end{array}{\rm{ = }}..........4310−72=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline2\end{array}{\rm{ = }}..........{\rm{ }}4316−138=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline8\end{array}{\rm{ = }}..........3730−1110=..........\begin{array}{cccccccccccccccccccc}{37}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{10}\end{array}{\rm{ = }}..........
3799−1333=..........\begin{array}{cccccccccccccccccccc}{37}\\\hline{99}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{33}\end{array}{\rm{ = }}..........2912−54=..........\begin{array}{cccccccccccccccccccc}{29}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline4\end{array}{\rm{ = }}..........3716−12=..........\begin{array}{cccccccccccccccccccc}{37}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}..........4940−18=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}..........{\rm{ }}
4534−1117=..........\begin{array}{cccccccccccccccccccc}{45}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{17}\end{array}{\rm{ = }}..........{\rm{ }}49126−542=........\begin{array}{cccccccccccccccccccc}{49}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{42}\end{array}{\rm{ = }}........4564−38=..........\begin{array}{cccccccccccccccccccc}{45}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}..........{\rm{ }}379−73=..........\begin{array}{cccccccccccccccccccc}{37}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline3\end{array}{\rm{ = }}..........
539−113=..........\begin{array}{cccccccccccccccccccc}5\\\hline{39}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{13}\end{array}{\rm{ = }}..........{\rm{ }}1927−59=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline9\end{array}{\rm{ = }}..........{\rm{ }}139−23=..........\begin{array}{cccccccccccccccccccc}{13}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}..........{\rm{ }}3140−38=..........\begin{array}{cccccccccccccccccccc}{31}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}..........{\rm{ }}
4120−85=..........\begin{array}{cccccccccccccccccccc}{41}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline5\end{array}{\rm{ = }}..........{\rm{ }}4927−53=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline3\end{array}{\rm{ = }}..........{\rm{ }}4764−2332=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{32}\end{array}{\rm{ = }}..........6760−720=..........\begin{array}{cccccccccccccccccccc}{67}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{20}\end{array}{\rm{ = }}..........
2916−14=..........\begin{array}{cccccccccccccccccccc}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ = }}..........{\rm{ }}4730−76=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline6\end{array}{\rm{ = }}..........{\rm{ }}3314−1184=..........\begin{array}{cccccccccccccccccccc}{33}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{84}\end{array}{\rm{ = }}..........{\rm{ }}1970−135=.........\begin{array}{cccccccccccccccccccc}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{35}\end{array}{\rm{ = }}.........
3196−932=..........\begin{array}{cccccccccccccccccccc}{31}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{32}\end{array}{\rm{ = }}..........{\rm{ }}2528−34=..........\begin{array}{cccccccccccccccccccc}{25}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}..........{\rm{ }}3320−75=..........\begin{array}{cccccccccccccccccccc}{33}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline5\end{array}{\rm{ = }}..........{\rm{ }}2325−2275=..........\begin{array}{cccccccccccccccccccc}{23}\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{22}\\\hline{75}\end{array}{\rm{ = }}..........{\rm{ }}
716−596=..........\begin{array}{cccccccccccccccccccc}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{96}\end{array}{\rm{ = }}..........{\rm{ }}3788−1744=..........\begin{array}{cccccccccccccccccccc}{37}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{44}\end{array}{\rm{ = }}..........4710−165=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{16}\\\hline5\end{array}{\rm{ = }}..........{\rm{ }}4549−27=..........\begin{array}{cccccccccccccccccccc}{45}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ = }}..........
4320−75=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline5\end{array}{\rm{ = }}..........{\rm{ }}318−172=..........\begin{array}{cccccccccccccccccccc}3\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{72}\end{array}{\rm{ = }}..........{\rm{ }}8935−167=..........\begin{array}{cccccccccccccccccccc}{89}\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{16}\\\hline7\end{array}{\rm{ = }}..........4825−65=..........\begin{array}{cccccccccccccccccccc}{48}\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline5\end{array}{\rm{ = }}..........
2377−211=..........\begin{array}{cccccccccccccccccccc}{23}\\\hline{77}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{11}\end{array}{\rm{ = }}..........2932−58=..........\begin{array}{cccccccccccccccccccc}{29}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline8\end{array}{\rm{ = }}..........3340−25=..........\begin{array}{cccccccccccccccccccc}{33}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}..........3928−97=..........\begin{array}{cccccccccccccccccccc}{39}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline7\end{array}{\rm{ = }}..........
4124−76=..........\begin{array}{cccccccccccccccccccc}{41}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline6\end{array}{\rm{ = }}..........3718−116=...........\begin{array}{cccccccccccccccccccc}{37}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline6\end{array}{\rm{ = }}...........3350−25=..........\begin{array}{cccccccccccccccccccc}{33}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}..........49135−1645=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{135}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{45}\end{array}{\rm{ = }}..........
4336−16=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}..........4728−117=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline7\end{array}{\rm{ = }}..........23144−148=..........\begin{array}{cccccccccccccccccccc}{23}\\\hline{144}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{48}\end{array}{\rm{ = }}..........4724−116=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline6\end{array}{\rm{ = }}..........
1972−136=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{36}\end{array}{\rm{ = }}..........2954−16=..........\begin{array}{cccccccccccccccccccc}{29}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}..........3518−116=..........\begin{array}{cccccccccccccccccccc}{35}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline6\end{array}{\rm{ = }}..........39100−1750=.........\begin{array}{cccccccccccccccccccc}{39}\\\hline{100}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{50}\end{array}{\rm{ = }}.........
23108−536=.........\begin{array}{cccccccccccccccccccc}{23}\\\hline{108}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{36}\end{array}{\rm{ = }}.........19120−340=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{40}\end{array}{\rm{ = }}..........4528−97=..........\begin{array}{cccccccccccccccccccc}{45}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline7\end{array}{\rm{ = }}..........4926−1013=.........\begin{array}{cccccccccccccccccccc}{49}\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{13}\end{array}{\rm{ = }}.........
Xem đáp án và lời giải

Hướng dẫn chấm do TopStudy biên soạn, mang tính gợi ý

234−92=54\begin{array}{cccccccccccccccccccc}{23}\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline4\end{array}4649−47=1849\begin{array}{cccccccccccccccccccc}{46}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{18}\\\hline{49}\end{array}4522−311=3922\begin{array}{cccccccccccccccccccc}{45}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{11}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{39}\\\hline{22}\end{array}3395−219=2395\begin{array}{cccccccccccccccccccc}{33}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{19}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{95}\end{array}
4685−317=3185\begin{array}{cccccccccccccccccccc}{46}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{17}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{85}\end{array}4310−72=45\begin{array}{cccccccccccccccccccc}{43}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}4316−138=1716\begin{array}{cccccccccccccccccccc}{43}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{16}\end{array}3730−1110=215\begin{array}{cccccccccccccccccccc}{37}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}
3799−1333=199\begin{array}{cccccccccccccccccccc}{37}\\\hline{99}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{33}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{99}\end{array}2912−54=76\begin{array}{cccccccccccccccccccc}{29}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline6\end{array}3716−12=2916\begin{array}{cccccccccccccccccccc}{37}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{16}\end{array}4940−18=1110\begin{array}{cccccccccccccccccccc}{49}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{10}\end{array}
4534−1117=2334\begin{array}{cccccccccccccccccccc}{45}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{17}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{34}\end{array}49126−542=1763\begin{array}{cccccccccccccccccccc}{49}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{42}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{63}\end{array}4564−38=2164\begin{array}{cccccccccccccccccccc}{45}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{21}\\\hline{64}\end{array}379−73=169\begin{array}{cccccccccccccccccccc}{37}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{16}\\\hline9\end{array}
539−113=239\begin{array}{cccccccccccccccccccc}5\\\hline{39}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{13}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{39}\end{array}1927−59=427\begin{array}{cccccccccccccccccccc}{19}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{27}\end{array}139−23=79\begin{array}{cccccccccccccccccccc}{13}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline9\end{array}3140−38=25\begin{array}{cccccccccccccccccccc}{31}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}
4120−85=920\begin{array}{cccccccccccccccccccc}{41}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{20}\end{array}4927−53=427\begin{array}{cccccccccccccccccccc}{49}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{27}\end{array}4764−2332=164\begin{array}{cccccccccccccccccccc}{47}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{32}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{64}\end{array}6760−720=2330\begin{array}{cccccccccccccccccccc}{67}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{30}\end{array}
2916−14=2516\begin{array}{cccccccccccccccccccc}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{16}\end{array}4730−76=25\begin{array}{cccccccccccccccccccc}{47}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}3314−1184=18784\begin{array}{cccccccccccccccccccc}{33}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{84}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{187}\\\hline{84}\end{array}1970−135=1770\begin{array}{cccccccccccccccccccc}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{35}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{70}\end{array}
3196−932=124\begin{array}{cccccccccccccccccccc}{31}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{32}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{24}\end{array}2528−34=17\begin{array}{cccccccccccccccccccc}{25}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}3320−75=14\begin{array}{cccccccccccccccccccc}{33}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}2325−2275=4775\begin{array}{cccccccccccccccccccc}{23}\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{22}\\\hline{75}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{47}\\\hline{75}\end{array}
716−596=3796\begin{array}{cccccccccccccccccccc}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{96}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{37}\\\hline{96}\end{array}3788−1744=388\begin{array}{cccccccccccccccccccc}{37}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{44}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{88}\end{array}4710−165=32\begin{array}{cccccccccccccccccccc}{47}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{16}\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline2\end{array}4549−27=3149\begin{array}{cccccccccccccccccccc}{45}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{49}\end{array}
4320−75=34\begin{array}{cccccccccccccccccccc}{43}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}318−172=1172\begin{array}{cccccccccccccccccccc}3\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{72}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{72}\end{array}8935−167=935\begin{array}{cccccccccccccccccccc}{89}\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{16}\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{35}\end{array}4825−65=1825\begin{array}{cccccccccccccccccccc}{48}\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{18}\\\hline{25}\end{array}
2377−211=977\begin{array}{cccccccccccccccccccc}{23}\\\hline{77}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{11}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{77}\end{array}2932−58=932\begin{array}{cccccccccccccccccccc}{29}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{32}\end{array}3340−25=1740\begin{array}{cccccccccccccccccccc}{33}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{40}\end{array}3928−97=328\begin{array}{cccccccccccccccccccc}{39}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{28}\end{array}
4124−76=1324\begin{array}{cccccccccccccccccccc}{41}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{24}\end{array}3718−116=29\begin{array}{cccccccccccccccccccc}{37}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}3350−25=1350\begin{array}{cccccccccccccccccccc}{33}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{50}\end{array}49135−1645=1135\begin{array}{cccccccccccccccccccc}{49}\\\hline{135}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{45}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{135}\end{array}
4336−16=3736\begin{array}{cccccccccccccccccccc}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{37}\\\hline{36}\end{array}4728−117=328\begin{array}{cccccccccccccccccccc}{47}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{28}\end{array}23144−148=536\begin{array}{cccccccccccccccccccc}{23}\\\hline{144}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{48}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{36}\end{array}4724−116=18\begin{array}{cccccccccccccccccccc}{47}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}
1972−136=1772\begin{array}{cccccccccccccccccccc}{19}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{36}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{72}\end{array}2954−16=1027\begin{array}{cccccccccccccccccccc}{29}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{27}\end{array}3518−116=19\begin{array}{cccccccccccccccccccc}{35}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}39100−1750=120\begin{array}{cccccccccccccccccccc}{39}\\\hline{100}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{50}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}
23108−536=227\begin{array}{cccccccccccccccccccc}{23}\\\hline{108}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{36}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{27}\end{array}19120−340=112\begin{array}{cccccccccccccccccccc}{19}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{40}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}4528−97=928\begin{array}{cccccccccccccccccccc}{45}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{28}\end{array}4926−1013=2926\begin{array}{cccccccccccccccccccc}{49}\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{13}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{26}\end{array}

Câu 4

1 điểm
331−593=..........\begin{array}{cccccccccccccccccccc}3\\\hline{31}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{93}\end{array}{\rm{ = }}..........415−23150=.........\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{150}\end{array}{\rm{ = }}.........1344−7132=.........\begin{array}{cccccccccccccccccccc}{13}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{132}\end{array}{\rm{ = }}.........542−11126=.........\begin{array}{cccccccccccccccccccc}5\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{126}\end{array}{\rm{ = }}.........
1341−17123=.........\begin{array}{cccccccccccccccccccc}{13}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{123}\end{array}{\rm{ = }}.........740−13120=.........\begin{array}{cccccccccccccccccccc}7\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{120}\end{array}{\rm{ = }}.........512−172=.........\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{72}\end{array}{\rm{ = }}.........338−5114=.........\begin{array}{cccccccccccccccccccc}3\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{114}\end{array}{\rm{ = }}.........
1320−7100=.........\begin{array}{cccccccccccccccccccc}{13}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{100}\end{array}{\rm{ = }}.........733−11132=.........\begin{array}{cccccccccccccccccccc}7\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{132}\end{array}{\rm{ = }}.........1146−13138=.........\begin{array}{cccccccccccccccccccc}{11}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{138}\end{array}{\rm{ = }}.........326−5104=.........\begin{array}{cccccccccccccccccccc}3\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{104}\end{array}{\rm{ = }}.........
745−11135=.........\begin{array}{cccccccccccccccccccc}7\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{135}\end{array}{\rm{ = }}.........514−13126=.........\begin{array}{cccccccccccccccccccc}5\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{126}\end{array}{\rm{ = }}.........2512−31132=.........\begin{array}{cccccccccccccccccccc}{25}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{132}\end{array}{\rm{ = }}.........1123−11115=..........\begin{array}{cccccccccccccccccccc}{11}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{115}\end{array}{\rm{ = }}..........
310−3110=.........\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{110}\end{array}{\rm{ = }}.........{\rm{ }}1934−7102=.........\begin{array}{cccccccccccccccccccc}{19}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{102}\end{array}{\rm{ = }}.........725−1150=.........\begin{array}{cccccccccccccccccccc}7\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{150}\end{array}{\rm{ = }}.........913−47143=..........\begin{array}{cccccccccccccccccccc}9\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{47}\\\hline{143}\end{array}{\rm{ = }}..........{\rm{ }}
1127−5108=.........\begin{array}{cccccccccccccccccccc}{11}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{108}\end{array}{\rm{ = }}.........528−11140=.........\begin{array}{cccccccccccccccccccc}5\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{140}\end{array}{\rm{ = }}.........{\rm{ }}512−35144=.........\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{35}\\\hline{144}\end{array}{\rm{ = }}.........1322−7110=.........\begin{array}{cccccccccccccccccccc}{13}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{110}\end{array}{\rm{ = }}.........
325−1125=.........\begin{array}{cccccccccccccccccccc}3\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{125}\end{array}{\rm{ = }}.........1730−19120=.........\begin{array}{cccccccccccccccccccc}{17}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{120}\end{array}{\rm{ = }}.........736−25144=.........\begin{array}{cccccccccccccccccccc}7\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{144}\end{array}{\rm{ = }}.........1912−23108=.........\begin{array}{cccccccccccccccccccc}{19}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{108}\end{array}{\rm{ = }}.........
3514−11112=.........\begin{array}{cccccccccccccccccccc}{35}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{112}\end{array}{\rm{ = }}.........335−1140=.........\begin{array}{cccccccccccccccccccc}3\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{140}\end{array}{\rm{ = }}.........719−13133=.........\begin{array}{cccccccccccccccccccc}7\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{133}\end{array}{\rm{ = }}.........{\rm{ }}3124−11120=.........\begin{array}{cccccccccccccccccccc}{31}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{120}\end{array}{\rm{ = }}.........
716−1128=.........\begin{array}{cccccccccccccccccccc}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{128}\end{array}{\rm{ = }}.........1332−1796=.........\begin{array}{cccccccccccccccccccc}{13}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{96}\end{array}{\rm{ = }}.........526−7130=.........\begin{array}{cccccccccccccccccccc}5\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{130}\end{array}{\rm{ = }}.........{\rm{ }}1928−9112=.........\begin{array}{cccccccccccccccccccc}{19}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{112}\end{array}{\rm{ = }}.........
916−380=.........\begin{array}{cccccccccccccccccccc}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{80}\end{array}{\rm{ = }}.........513−37104=.........\begin{array}{cccccccccccccccccccc}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{37}\\\hline{104}\end{array}{\rm{ = }}.........{\rm{ }}110−1100=........\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{100}\end{array}{\rm{ = }}........726−11130=.........\begin{array}{cccccccccccccccccccc}7\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{130}\end{array}{\rm{ = }}.........
2650−13100=........\begin{array}{cccccccccccccccccccc}{26}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{100}\end{array}{\rm{ = }}........2916−31112=.........\begin{array}{cccccccccccccccccccc}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{112}\end{array}{\rm{ = }}.........4722−29132=.........\begin{array}{cccccccccccccccccccc}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{132}\end{array}{\rm{ = }}.........1137−13111=.........\begin{array}{cccccccccccccccccccc}{11}\\\hline{37}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{111}\end{array}{\rm{ = }}.........
513−43130=..........\begin{array}{cccccccccccccccccccc}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{43}\\\hline{130}\end{array}{\rm{ = }}..........1736−13180=..........\begin{array}{cccccccccccccccccccc}{17}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{180}\end{array}{\rm{ = }}..........154−1108=..........\begin{array}{cccccccccccccccccccc}1\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{108}\end{array}{\rm{ = }}..........821−17126=.........\begin{array}{cccccccccccccccccccc}8\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{126}\end{array}{\rm{ = }}.........
717−10119=.........\begin{array}{cccccccccccccccccccc}7\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{119}\end{array}{\rm{ = }}.........518−190=..........\begin{array}{cccccccccccccccccccc}5\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{90}\end{array}{\rm{ = }}..........2962−19186=.........\begin{array}{cccccccccccccccccccc}{29}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{186}\end{array}{\rm{ = }}.........221−11147=........\begin{array}{cccccccccccccccccccc}2\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{147}\end{array}{\rm{ = }}........
1534−13170=.........\begin{array}{cccccccccccccccccccc}{15}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{170}\end{array}{\rm{ = }}.........4386−31172=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{172}\end{array}{\rm{ = }}..........2714−1598=..........\begin{array}{cccccccccccccccccccc}{27}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{15}\\\hline{98}\end{array}{\rm{ = }}..........1970−23140=.........\begin{array}{cccccccccccccccccccc}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{140}\end{array}{\rm{ = }}.........
1051−5102=.........\begin{array}{cccccccccccccccccccc}{10}\\\hline{51}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{102}\end{array}{\rm{ = }}.........718−154=..........\begin{array}{cccccccccccccccccccc}7\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{54}\end{array}{\rm{ = }}..........974−13148=.........\begin{array}{cccccccccccccccccccc}9\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{148}\end{array}{\rm{ = }}.........443−11129=........\begin{array}{cccccccccccccccccccc}4\\\hline{43}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{129}\end{array}{\rm{ = }}........
Xem đáp án và lời giải

Hướng dẫn chấm do TopStudy biên soạn, mang tính gợi ý

331−593=493\begin{array}{cccccccccccccccccccc}3\\\hline{31}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{93}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{93}\end{array}415−23150=17150\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{150}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{150}\end{array}1344−7132=833\begin{array}{cccccccccccccccccccc}{13}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{132}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}8\\\hline{33}\end{array}542−11126=263\begin{array}{cccccccccccccccccccc}5\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{126}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{63}\end{array}
1341−17123=22123\begin{array}{cccccccccccccccccccc}{13}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{123}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{22}\\\hline{123}\end{array}740−13120=115\begin{array}{cccccccccccccccccccc}7\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{120}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{15}\end{array}512−172=2972\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{72}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{72}\end{array}338−5114=257\begin{array}{cccccccccccccccccccc}3\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{114}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{57}\end{array}
1320−7100=2950\begin{array}{cccccccccccccccccccc}{13}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{100}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{50}\end{array}733−11132=17132\begin{array}{cccccccccccccccccccc}7\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{132}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{132}\end{array}1146−13138=1069\begin{array}{cccccccccccccccccccc}{11}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{138}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{69}\end{array}326−5104=7104\begin{array}{cccccccccccccccccccc}3\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{104}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{104}\end{array}
745−11135=227\begin{array}{cccccccccccccccccccc}7\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{135}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{27}\end{array}514−13126=1663\begin{array}{cccccccccccccccccccc}5\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{126}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{63}\end{array}2512−31132=6133\begin{array}{cccccccccccccccccccc}{25}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{132}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{61}\\\hline{33}\end{array}1123−11115=44115\begin{array}{cccccccccccccccccccc}{11}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{115}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{44}\\\hline{115}\end{array}
310−3110=311\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{110}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{11}\end{array}1934−7102=2551\begin{array}{cccccccccccccccccccc}{19}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{102}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{51}\end{array}725−1150=41150\begin{array}{cccccccccccccccccccc}7\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{150}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{41}\\\hline{150}\end{array}913−47143=411\begin{array}{cccccccccccccccccccc}9\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{47}\\\hline{143}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{11}\end{array}
1127−5108=1336\begin{array}{cccccccccccccccccccc}{11}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{108}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{36}\end{array}528−11140=110\begin{array}{cccccccccccccccccccc}5\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{140}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}512−35144=25144\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{35}\\\hline{144}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{144}\end{array}1322−7110=2955\begin{array}{cccccccccccccccccccc}{13}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{110}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{55}\end{array}
325−1125=14125\begin{array}{cccccccccccccccccccc}3\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{125}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{125}\end{array}1730−19120=49120\begin{array}{cccccccccccccccccccc}{17}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{120}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{49}\\\hline{120}\end{array}736−25144=148\begin{array}{cccccccccccccccccccc}7\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{144}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{48}\end{array}1912−23108=3727\begin{array}{cccccccccccccccccccc}{19}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{108}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{37}\\\hline{27}\end{array}
114−3112=5112\begin{array}{cccccccccccccccccccc}1\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{112}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{112}\end{array}335−1140=11140\begin{array}{cccccccccccccccccccc}3\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{140}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{140}\end{array}719−13133=36133\begin{array}{cccccccccccccccccccc}7\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{133}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{36}\\\hline{133}\end{array}3124−11120=65\begin{array}{cccccccccccccccccccc}{31}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{120}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}6\\\hline5\end{array}
716−1128=55128\begin{array}{cccccccccccccccccccc}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{128}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{55}\\\hline{128}\end{array}1332−1796=1148\begin{array}{cccccccccccccccccccc}{13}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{96}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{48}\end{array}526−7130=965\begin{array}{cccccccccccccccccccc}5\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{130}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{65}\end{array}1928−9112=67112\begin{array}{cccccccccccccccccccc}{19}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{112}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{67}\\\hline{112}\end{array}
916−380=2140\begin{array}{cccccccccccccccccccc}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{80}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{21}\\\hline{40}\end{array}513−37104=3104\begin{array}{cccccccccccccccccccc}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{37}\\\hline{104}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{104}\end{array}110−1100=9100\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{100}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{100}\end{array}726−11130=1265\begin{array}{cccccccccccccccccccc}7\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{130}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{12}\\\hline{65}\end{array}
2650−13100=39100\begin{array}{cccccccccccccccccccc}{26}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{100}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{39}\\\hline{100}\end{array}2916−31112=4328\begin{array}{cccccccccccccccccccc}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{112}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{43}\\\hline{28}\end{array}4722−29132=2312\begin{array}{cccccccccccccccccccc}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{132}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{12}\end{array}1137−13111=20111\begin{array}{cccccccccccccccccccc}{11}\\\hline{37}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{111}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{20}\\\hline{111}\end{array}
513−43130=7130\begin{array}{cccccccccccccccccccc}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{43}\\\hline{130}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{130}\end{array}1736−13180=89180\begin{array}{cccccccccccccccccccc}{17}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{180}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{89}\\\hline{180}\end{array}154−1108=1108\begin{array}{cccccccccccccccccccc}1\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{108}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{108}\end{array}821−17126=31126\begin{array}{cccccccccccccccccccc}8\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{126}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{126}\end{array}
717−10119=39119\begin{array}{cccccccccccccccccccc}7\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{119}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{39}\\\hline{119}\end{array}518−190=415\begin{array}{cccccccccccccccccccc}5\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{90}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}2962−19186=3493\begin{array}{cccccccccccccccccccc}{29}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{186}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{34}\\\hline{93}\end{array}221−11147=149\begin{array}{cccccccccccccccccccc}2\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{147}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{49}\end{array}
1534−13170=3185\begin{array}{cccccccccccccccccccc}{15}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{170}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{85}\end{array}4386−31172=55172\begin{array}{cccccccccccccccccccc}{43}\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{172}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{55}\\\hline{172}\end{array}2714−1598=8749\begin{array}{cccccccccccccccccccc}{27}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{15}\\\hline{98}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{87}\\\hline{49}\end{array}1970−23140=328\begin{array}{cccccccccccccccccccc}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{140}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{28}\end{array}
1051−5102=534\begin{array}{cccccccccccccccccccc}{10}\\\hline{51}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{102}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{34}\end{array}718−154=1027\begin{array}{cccccccccccccccccccc}7\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{54}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{27}\end{array}974−13148=5148\begin{array}{cccccccccccccccccccc}9\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{148}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{148}\end{array}443−11129=1129\begin{array}{cccccccccccccccccccc}4\\\hline{43}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{129}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{129}\end{array}

Câu 5

1 điểm
2196−532=..........\begin{array}{cccccccccccccccccccc}{21}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{32}\end{array}{\rm{ = }}..........3133−4899=..........\begin{array}{cccccccccccccccccccc}{31}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{48}\\\hline{99}\end{array}{\rm{ = }}..........975−225=..........\begin{array}{cccccccccccccccccccc}9\\\hline{75}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{25}\end{array}{\rm{ = }}..........3245−3490=..........\begin{array}{cccccccccccccccccccc}{32}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{34}\\\hline{90}\end{array}{\rm{ = }}..........
3981−1027=..........\begin{array}{cccccccccccccccccccc}{39}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{27}\end{array}{\rm{ = }}..........3674−1737=..........\begin{array}{cccccccccccccccccccc}{36}\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{37}\end{array}{\rm{ = }}..........{\rm{ }}1250−125=..........\begin{array}{cccccccccccccccccccc}{12}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{25}\end{array}{\rm{ = }}..........2058−229=..........\begin{array}{cccccccccccccccccccc}{20}\\\hline{58}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{29}\end{array}{\rm{ = }}..........
2744−288=..........\begin{array}{cccccccccccccccccccc}{27}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{88}\end{array}{\rm{ = }}..........4121−2042=..........\begin{array}{cccccccccccccccccccc}{41}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{20}\\\hline{42}\end{array}{\rm{ = }}..........1684−121=.........\begin{array}{cccccccccccccccccccc}{16}\\\hline{84}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{21}\end{array}{\rm{ = }}.........3028−914=..........\begin{array}{cccccccccccccccccccc}{30}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{14}\end{array}{\rm{ = }}..........{\rm{ }}
3142−4684=..........\begin{array}{cccccccccccccccccccc}{31}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{46}\\\hline{84}\end{array}{\rm{ = }}..........{\rm{ }}3390−730=..........\begin{array}{cccccccccccccccccccc}{33}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{30}\end{array}{\rm{ = }}..........{\rm{ }}2560−112=..........\begin{array}{cccccccccccccccccccc}{25}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}..........{\rm{ }}3872−736=..........\begin{array}{cccccccccccccccccccc}{38}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{36}\end{array}{\rm{ = }}..........
1096−148=..........\begin{array}{cccccccccccccccccccc}{10}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{48}\end{array}{\rm{ = }}..........{\rm{ }}4456−514=..........\begin{array}{cccccccccccccccccccc}{44}\\\hline{56}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{14}\end{array}{\rm{ = }}..........{\rm{ }}5072−718=..........\begin{array}{cccccccccccccccccccc}{50}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{18}\end{array}{\rm{ = }}..........{\rm{ }}2048−112=..........\begin{array}{cccccccccccccccccccc}{20}\\\hline{48}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}..........
4676−138=..........\begin{array}{cccccccccccccccccccc}{46}\\\hline{76}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{38}\end{array}{\rm{ = }}..........{\rm{ }}4578−926=..........\begin{array}{cccccccccccccccccccc}{45}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{26}\end{array}{\rm{ = }}..........{\rm{ }}686−143=..........\begin{array}{cccccccccccccccccccc}6\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{43}\end{array}{\rm{ = }}..........3034−1017=..........\begin{array}{cccccccccccccccccccc}{30}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{17}\end{array}{\rm{ = }}..........
3666−511=..........\begin{array}{cccccccccccccccccccc}{36}\\\hline{66}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{11}\end{array}{\rm{ = }}..........2880−940=..........\begin{array}{cccccccccccccccccccc}{28}\\\hline{80}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{40}\end{array}{\rm{ = }}..........{\rm{ }}3272−19=..........\begin{array}{cccccccccccccccccccc}{32}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}{\rm{ = }}..........{\rm{ }}696−116=..........\begin{array}{cccccccccccccccccccc}6\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{16}\end{array}{\rm{ = }}..........
2098−349=..........\begin{array}{cccccccccccccccccccc}{20}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{49}\end{array}{\rm{ = }}..........{\rm{ }}3468−334=..........\begin{array}{cccccccccccccccccccc}{34}\\\hline{68}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{34}\end{array}{\rm{ = }}..........{\rm{ }}4590−118=..........\begin{array}{cccccccccccccccccccc}{45}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ = }}..........{\rm{ }}7254−16=..........\begin{array}{cccccccccccccccccccc}{72}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}..........{\rm{ }}
3078−126=..........\begin{array}{cccccccccccccccccccc}{30}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{26}\end{array}{\rm{ = }}..........{\rm{ }}6096−18=..........\begin{array}{cccccccccccccccccccc}{60}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}..........957−119=..........\begin{array}{cccccccccccccccccccc}9\\\hline{57}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{19}\end{array}{\rm{ = }}..........2862−331=..........\begin{array}{cccccccccccccccccccc}{28}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{31}\end{array}{\rm{ = }}..........
2896−124=.........\begin{array}{cccccccccccccccccccc}{28}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{24}\end{array}{\rm{ = }}.........2492−423=..........\begin{array}{cccccccccccccccccccc}{24}\\\hline{92}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{23}\end{array}{\rm{ = }}..........{\rm{ }}3085−117=.........\begin{array}{cccccccccccccccccccc}{30}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{17}\end{array}{\rm{ = }}.........3268−217=........\begin{array}{cccccccccccccccccccc}{32}\\\hline{68}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{17}\end{array}{\rm{ = }}........
3342−514=..........\begin{array}{cccccccccccccccccccc}{33}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{14}\end{array}{\rm{ = }}..........4236−1312=..........\begin{array}{cccccccccccccccccccc}{42}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{12}\end{array}{\rm{ = }}..........1288−122=..........\begin{array}{cccccccccccccccccccc}{12}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{22}\end{array}{\rm{ = }}..........4596−332=..........\begin{array}{cccccccccccccccccccc}{45}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{32}\end{array}{\rm{ = }}..........
4595−219=..........\begin{array}{cccccccccccccccccccc}{45}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{19}\end{array}{\rm{ = }}..........50118−2359=........\begin{array}{cccccccccccccccccccc}{50}\\\hline{118}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{59}\end{array}{\rm{ = }}........28133−319=........\begin{array}{cccccccccccccccccccc}{28}\\\hline{133}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{19}\end{array}{\rm{ = }}........4293−131=..........\begin{array}{cccccccccccccccccccc}{42}\\\hline{93}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{31}\end{array}{\rm{ = }}..........
2065−113=..........\begin{array}{cccccccccccccccccccc}{20}\\\hline{65}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{13}\end{array}{\rm{ = }}..........5688−311=..........\begin{array}{cccccccccccccccccccc}{56}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{11}\end{array}{\rm{ = }}..........4998−314=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{14}\end{array}{\rm{ = }}..........2745−115=..........\begin{array}{cccccccccccccccccccc}{27}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{15}\end{array}{\rm{ = }}..........
3492−1346=..........\begin{array}{cccccccccccccccccccc}{34}\\\hline{92}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{46}\end{array}{\rm{ = }}..........3085−217=..........\begin{array}{cccccccccccccccccccc}{30}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{17}\end{array}{\rm{ = }}..........1681−121=..........\begin{array}{cccccccccccccccccccc}{16}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{21}\end{array}{\rm{ = }}..........4630−215=..........\begin{array}{cccccccccccccccccccc}{46}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}{\rm{ = }}..........
4452−413=........\begin{array}{cccccccccccccccccccc}{44}\\\hline{52}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{13}\end{array}{\rm{ = }}........36120−730=........\begin{array}{cccccccccccccccccccc}{36}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{30}\end{array}{\rm{ = }}........3944−688=..........\begin{array}{cccccccccccccccccccc}{39}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{88}\end{array}{\rm{ = }}..........3595−119=.........\begin{array}{cccccccccccccccccccc}{35}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{19}\end{array}{\rm{ = }}.........
Xem đáp án và lời giải

Hướng dẫn chấm do TopStudy biên soạn, mang tính gợi ý

2196−532=116\begin{array}{cccccccccccccccccccc}{21}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{32}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{16}\end{array}3133−4899=511\begin{array}{cccccccccccccccccccc}{31}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{48}\\\hline{99}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{11}\end{array}975−225=125\begin{array}{cccccccccccccccccccc}9\\\hline{75}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{25}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{25}\end{array}3245−3490=13\begin{array}{cccccccccccccccccccc}{32}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{34}\\\hline{90}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}
3981−1027=19\begin{array}{cccccccccccccccccccc}{39}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{27}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}3674−1737=137\begin{array}{cccccccccccccccccccc}{36}\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{17}\\\hline{37}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{37}\end{array}1250−125=15\begin{array}{cccccccccccccccccccc}{12}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{25}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}2058−229=829\begin{array}{cccccccccccccccccccc}{20}\\\hline{58}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{29}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}8\\\hline{29}\end{array}
2744−288=1322\begin{array}{cccccccccccccccccccc}{27}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{88}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{22}\end{array}4121−2042=3121\begin{array}{cccccccccccccccccccc}{41}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{20}\\\hline{42}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{21}\end{array}1684−121=17\begin{array}{cccccccccccccccccccc}{16}\\\hline{84}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{21}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}3028−914=37\begin{array}{cccccccccccccccccccc}{30}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{14}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}
3142−4684=421\begin{array}{cccccccccccccccccccc}{31}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{46}\\\hline{84}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{21}\end{array}3390−730=215\begin{array}{cccccccccccccccccccc}{33}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{30}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}2560−112=13\begin{array}{cccccccccccccccccccc}{25}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}3872−736=13\begin{array}{cccccccccccccccccccc}{38}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{36}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}
1096−148=112\begin{array}{cccccccccccccccccccc}{10}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{48}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}4456−514=37\begin{array}{cccccccccccccccccccc}{44}\\\hline{56}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{14}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}5072−718=1136\begin{array}{cccccccccccccccccccc}{50}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{36}\end{array}2048−112=13\begin{array}{cccccccccccccccccccc}{20}\\\hline{48}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}
4676−138=1119\begin{array}{cccccccccccccccccccc}{46}\\\hline{76}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{38}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{19}\end{array}4578−926=313\begin{array}{cccccccccccccccccccc}{45}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{26}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{13}\end{array}686−143=243\begin{array}{cccccccccccccccccccc}6\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{43}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{43}\end{array}3034−1017=517\begin{array}{cccccccccccccccccccc}{30}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{17}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{17}\end{array}
3666−511=111\begin{array}{cccccccccccccccccccc}{36}\\\hline{66}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{11}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{11}\end{array}2880−940=18\begin{array}{cccccccccccccccccccc}{28}\\\hline{80}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{40}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}3272−19=13\begin{array}{cccccccccccccccccccc}{32}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}696−116=132\begin{array}{cccccccccccccccccccc}6\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{16}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{32}\end{array}
2098−349=17\begin{array}{cccccccccccccccccccc}{20}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{49}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}3468−334=717\begin{array}{cccccccccccccccccccc}{34}\\\hline{68}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{34}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{17}\end{array}4590−118=49\begin{array}{cccccccccccccccccccc}{45}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}7254−16=76\begin{array}{cccccccccccccccccccc}{72}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline6\end{array}
3078−126=926\begin{array}{cccccccccccccccccccc}{30}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{26}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{26}\end{array}6096−18=12\begin{array}{cccccccccccccccccccc}{60}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}957−119=219\begin{array}{cccccccccccccccccccc}9\\\hline{57}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{19}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{19}\end{array}2862−331=1131\begin{array}{cccccccccccccccccccc}{28}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{31}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{31}\end{array}
2896−124=14\begin{array}{cccccccccccccccccccc}{28}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{24}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}2492−423=223\begin{array}{cccccccccccccccccccc}{24}\\\hline{92}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{23}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{23}\end{array}3085−117=517\begin{array}{cccccccccccccccccccc}{30}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{17}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{17}\end{array}3268−217=617\begin{array}{cccccccccccccccccccc}{32}\\\hline{68}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{17}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}6\\\hline{17}\end{array}
3342−514=37\begin{array}{cccccccccccccccccccc}{33}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{14}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}4236−1312=112\begin{array}{cccccccccccccccccccc}{42}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}1288−122=111\begin{array}{cccccccccccccccccccc}{12}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{22}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{11}\end{array}4596−332=38\begin{array}{cccccccccccccccccccc}{45}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{32}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}
4595−219=719\begin{array}{cccccccccccccccccccc}{45}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{19}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{19}\end{array}50118−2359=259\begin{array}{cccccccccccccccccccc}{50}\\\hline{118}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{59}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{59}\end{array}28133−319=119\begin{array}{cccccccccccccccccccc}{28}\\\hline{133}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{19}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{19}\end{array}4293−131=1331\begin{array}{cccccccccccccccccccc}{42}\\\hline{93}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{31}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{31}\end{array}
2065−113=313\begin{array}{cccccccccccccccccccc}{20}\\\hline{65}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{13}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{13}\end{array}5688−311=411\begin{array}{cccccccccccccccccccc}{56}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{11}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{11}\end{array}4998−314=27\begin{array}{cccccccccccccccccccc}{49}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{14}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}2745−115=815\begin{array}{cccccccccccccccccccc}{27}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{15}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}8\\\hline{15}\end{array}
3492−1346=223\begin{array}{cccccccccccccccccccc}{34}\\\hline{92}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{46}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{23}\end{array}3085−217=417\begin{array}{cccccccccccccccccccc}{30}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{17}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{17}\end{array}1681−19=781\begin{array}{cccccccccccccccccccc}{16}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{81}\end{array}4630−215=75\begin{array}{cccccccccccccccccccc}{46}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline5\end{array}
4452−413=713\begin{array}{cccccccccccccccccccc}{44}\\\hline{52}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{13}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{13}\end{array}36120−730=115\begin{array}{cccccccccccccccccccc}{36}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{30}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{15}\end{array}3944−688=911\begin{array}{cccccccccccccccccccc}{39}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{88}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{11}\end{array}3595−119=619\begin{array}{cccccccccccccccccccc}{35}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{19}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}6\\\hline{19}\end{array}

Câu 6

1 điểm
5−16=............5{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}............134−2=............\begin{array}{cccccccccccccccccccc}{13}\\\hline4\end{array}{\rm{ }} - {\rm{ }}2{\rm{ = }}............8−23=............8{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}............{\rm{ }}4740−1=............\begin{array}{cccccccccccccccccccc}{47}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}............{\rm{ }}
4−47=............4{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ = }}............{\rm{ }}4312−3=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}3{\rm{ = }}..........7−58=..........7{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline8\end{array}{\rm{ = }}..........9−215=..........9{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}{\rm{ = }}..........
2213−1=............\begin{array}{cccccccccccccccccccc}{22}\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}............14−512=............14{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ = }}............4337−1=..........\begin{array}{cccccccccccccccccccc}{43}\\\hline{37}\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}..........10−311=............10{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{11}\end{array}{\rm{ = }}............{\rm{ }}
178−2=............\begin{array}{cccccccccccccccccccc}{17}\\\hline8\end{array}{\rm{ }} - {\rm{ }}2{\rm{ = }}............3310−3=............\begin{array}{cccccccccccccccccccc}{33}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}3{\rm{ = }}............5−12=..........5{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}..........{\rm{ }}17−27=..........17{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ = }}..........
8−112=..........8{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}..........3911−3=............\begin{array}{cccccccccccccccccccc}{39}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}3{\rm{ = }}............2−79=..........2{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline9\end{array}{\rm{ = }}..........{\rm{ }}4739−1=............\begin{array}{cccccccccccccccccccc}{47}\\\hline{39}\end{array}{\rm{ }} - {\rm{ 1 = }}............
2−58=..........2{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline8\end{array}{\rm{ = }}..........{\rm{ }}197−2=............\begin{array}{cccccccccccccccccccc}{19}\\\hline7\end{array}{\rm{ }} - {\rm{ }}2{\rm{ = }}............4714−3=..........\begin{array}{cccccccccccccccccccc}{47}\\\hline{14}\end{array}{\rm{ }} - {\rm{ 3 = }}..........4−29=..........4{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ = }}..........
4013−3=............\begin{array}{cccccccccccccccccccc}{40}\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}3{\rm{ = }}............{\rm{ }}7−110=..........{\rm{7 }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}{\rm{ = }}..........4619−2=............\begin{array}{cccccccccccccccccccc}{46}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}2{\rm{ = }}............{\rm{ }}9−45=...........9{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}{\rm{ = }}...........
2111−1=..........\begin{array}{cccccccccccccccccccc}{21}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}..........{\rm{ }}1−19=............1{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}{\rm{ = }}............3736−1=............\begin{array}{cccccccccccccccccccc}{37}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}............{\rm{ }}15−12=............15{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}............
2927−1=............\begin{array}{cccccccccccccccccccc}{29}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}............3531−1=..........\begin{array}{cccccccccccccccccccc}{35}\\\hline{31}\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}..........2−79=..........2{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline9\end{array}{\rm{ = }}..........{\rm{ }}3−710=..........3{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{10}\end{array}{\rm{ = }}..........
1−512=............1{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ = }}............{\rm{ }}229−2=.........\begin{array}{cccccccccccccccccccc}{22}\\\hline9\end{array}{\rm{ }} - {\rm{ }}2{\rm{ = }}.........2512−2=..........\begin{array}{cccccccccccccccccccc}{25}\\\hline{12}\end{array}{\rm{ }} - {\rm{ 2 = }}..........298−3=............\begin{array}{cccccccccccccccccccc}{29}\\\hline8\end{array}{\rm{ }} - {\rm{ }}3{\rm{ = }}............
8−310=............{\rm{8 }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ = }}............{\rm{ }}9−29=..........9{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ = }}..........2714−1=..........\begin{array}{cccccccccccccccccccc}{27}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}..........10−78=..........10{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline8\end{array}{\rm{ = }}..........
4916−3=..........\begin{array}{cccccccccccccccccccc}{49}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}3{\rm{ = }}..........4−56=..........4{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}..........12−29=..........12{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ = }}..........198−1=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline8\end{array}{\rm{ }} - {\rm{ }}1{\rm{ = }}..........
2913−2=..........\begin{array}{cccccccccccccccccccc}{29}\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}2{\rm{ = }}..........{\rm{ }}16−23=..........16{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}..........6−15=..........6{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}{\rm{ = }}..........3915−2=..........\begin{array}{cccccccccccccccccccc}{39}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}2{\rm{ = }}..........
13−56=............13{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}............8−49=............8{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}{\rm{ = }}............11−34=..........{\rm{11 }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}..........6−37=............{\rm{6 }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}{\rm{ = }}............{\rm{ }}
5−1011=..........5{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{11}\end{array}{\rm{ = }}..........195−3=..........\begin{array}{cccccccccccccccccccc}{19}\\\hline5\end{array}{\rm{ }} - {\rm{ }}3{\rm{ = }}..........113−2=..........\begin{array}{cccccccccccccccccccc}{11}\\\hline3\end{array}{\rm{ }} - {\rm{ }}2{\rm{ = }}..........7−34=..........{\rm{7 }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}..........
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