TopStudy

Toán · Lớp 4

Bài tập Toán lớp 4 Tính giá trị biểu thức với phân số có đáp án

4 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

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

35+27−45=335\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{35}\end{array}14+16+112=12\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}
56−13+112=712\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{12}\end{array}12+13−23=16\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}
25+110+120=1120\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{20}\end{array}710−15+120=1120\begin{array}{cccccccccccccccccccc}7\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{20}\end{array}
710−25−320=320\begin{array}{cccccccccccccccccccc}7\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{20}\end{array}25+16−12=115\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{15}\end{array}
47+114−12=17\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}23−16+112=712\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{12}\end{array}
910−45+120=320\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{20}\end{array}38+112−13=18\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}
13+19+2527=3727\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{27}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{37}\\\hline{27}\end{array}712−16+124=1124\begin{array}{cccccccccccccccccccc}7\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{24}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{24}\end{array}
119−16−18=6772\begin{array}{cccccccccccccccccccc}{11}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{67}\\\hline{72}\end{array}37+221−12=142\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{42}\end{array}
512+18−13=524\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{24}\end{array}1330−115+130=25\begin{array}{cccccccccccccccccccc}{13}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{15}\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{30}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}
78−316+124=3548\begin{array}{cccccccccccccccccccc}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{16}\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{24}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{35}\\\hline{48}\end{array}13+112−14=16\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}
29+112+118=1336\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{36}\end{array}1114−17+128=1928\begin{array}{cccccccccccccccccccc}{11}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{28}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{28}\end{array}
34−35−110=120\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}49+118−12=0\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}0
197+114−12=167\begin{array}{cccccccccccccccccccc}{19}\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{16}\\\hline7\end{array}1318−536+172=4372\begin{array}{cccccccccccccccccccc}{13}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{36}\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{72}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{43}\\\hline{72}\end{array}
57−221+142=914\begin{array}{cccccccccccccccccccc}5\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{21}\end{array}{\rm{ + }}\begin{array}{cccccccccccccccccccc}1\\\hline{42}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{14}\end{array}15+16−970=521\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{70}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline{21}\end{array}

Câu 2

1 điểm

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

110+53×625=12\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline{25}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}112+74×821=34\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline4\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{21}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}
115+95×19=415\begin{array}{cccccccccccccccccccc}1\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}56×23−14=1136\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{36}\end{array}
910−34×13=1320\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{20}\end{array}45×12−16=730\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{30}\end{array}
58×35−14=18\begin{array}{cccccccccccccccccccc}5\\\hline8\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}518+83×112=12\begin{array}{cccccccccccccccccccc}5\\\hline{18}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}
56−23×14=23\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}35×49−16=110\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}
720+85×116=920\begin{array}{cccccccccccccccccccc}7\\\hline{20}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{16}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{20}\end{array}1314+107×120=1\begin{array}{cccccccccccccccccccc}{13}\\\hline{14}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline7\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}{\rm{ = 1}}
45×56−29=49\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}116+128×118=748\begin{array}{cccccccccccccccccccc}1\\\hline{16}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}{12}\\\hline8\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{48}\end{array}
37+138×113=3156\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}{13}\\\hline8\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{13}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{56}\end{array}910−89×14=6190\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline9\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{61}\\\hline{90}\end{array}
56−910×29=1930\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{30}\end{array}78−56×12=1124\begin{array}{cccccccccccccccccccc}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{24}\end{array}
89−710×13=5990\begin{array}{cccccccccccccccccccc}8\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{10}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{59}\\\hline{90}\end{array}211+43×18=2366\begin{array}{cccccccccccccccccccc}2\\\hline{11}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{66}\end{array}
415+65×112=1130\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline5\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{30}\end{array}1314−1518×210=1621\begin{array}{cccccccccccccccccccc}{13}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}{15}\\\hline{18}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{21}\end{array}
23+58×310=4148\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline8\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{41}\\\hline{48}\end{array}97+821×320=4735\begin{array}{cccccccccccccccccccc}9\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}8\\\hline{21}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{47}\\\hline{35}\end{array}
1011−34×29=4966\begin{array}{cccccccccccccccccccc}{10}\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{49}\\\hline{66}\end{array}512−710×16=310\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{10}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}
910+1418×928=2320\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{18}\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{28}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{20}\end{array}1317−23×117=3751\begin{array}{cccccccccccccccccccc}{13}\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{17}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{37}\\\hline{51}\end{array}

Câu 3

1 điểm

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

16+14:23=1324\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{24}\end{array}512−310:2720=736\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}{27}\\\hline{20}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{36}\end{array}
15+16:34=1945\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{45}\end{array}56+316:98=1\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{16}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline8\end{array}{\rm{ = 1}}
18+310:49=45\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}310−211:1011=110\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{11}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline{11}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}
29+13:56=2845\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{28}\\\hline{45}\end{array}518−29:98=13162\begin{array}{cccccccccccccccccccc}5\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{162}\end{array}
311−516:158=766\begin{array}{cccccccccccccccccccc}3\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{16}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}{15}\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{66}\end{array}314+17:25=47\begin{array}{cccccccccccccccccccc}3\\\hline{14}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}
27−310:98=2105\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{105}\end{array}18+79:1415=2324\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}{14}\\\hline{15}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{23}\\\hline{24}\end{array}
310−15:45=120\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline{20}\end{array}320+14:56=920\begin{array}{cccccccccccccccccccc}3\\\hline{20}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{20}\end{array}
38+29:718=5356\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline{18}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{53}\\\hline{56}\end{array}215+16:34=1645\begin{array}{cccccccccccccccccccc}2\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{16}\\\hline{45}\end{array}
47−310:65=928\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}6\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{28}\end{array}815−25:910=445\begin{array}{cccccccccccccccccccc}8\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}4\\\hline{45}\end{array}
76−12:2=1112\begin{array}{cccccccccccccccccccc}7\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ }}:{\rm{ }}2{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{12}\end{array}211+310:7760=3277\begin{array}{cccccccccccccccccccc}2\\\hline{11}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}{77}\\\hline{60}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{32}\\\hline{77}\end{array}
919−310:32=2695\begin{array}{cccccccccccccccccccc}9\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline2\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{26}\\\hline{95}\end{array}56−35:1110=1966\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{19}\\\hline{66}\end{array}
415+518:109=3160\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline{18}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}{10}\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{60}\end{array}1415−35:18=910\begin{array}{cccccccccccccccccccc}{14}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ }}:{\rm{ }}18{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{10}\end{array}
12−34:2=18\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ }}:{\rm{ }}2{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}1419−219:53=6495\begin{array}{cccccccccccccccccccc}{14}\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline{19}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{64}\\\hline{95}\end{array}
29+310:98=2245\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}9\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{22}\\\hline{45}\end{array}313+415:5245=613\begin{array}{cccccccccccccccccccc}3\\\hline{13}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline{15}\end{array}{\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}{52}\\\hline{45}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}6\\\hline{13}\end{array}

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(12+13)×34=58\left( {\begin{array}{cccccccccccccccccccc}1\\\hline2\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}5\\\hline8\end{array}(35−14)×23=730\left( {\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{30}\end{array}
(47−13)×25=221\left( {\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}2\\\hline{21}\end{array}(38+16):23=1316\left( {\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{16}\end{array}
(25+13):47=7760\left( {\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{77}\\\hline{60}\end{array}(310−18)×56=748\left( {\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{48}\end{array}
(56−25)×37=1370\left( {\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{70}\end{array}(37+14):56=5770\left( {\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{57}\\\hline{70}\end{array}
(58+23):47=21796\left( {\begin{array}{cccccccccccccccccccc}5\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline3\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{217}\\\hline{96}\end{array}(27+15):34=68105\left( {\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{68}\\\hline{105}\end{array}
(38+112):25=5548\left( {\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{55}\\\hline{48}\end{array}(49−110)×56=31108\left( {\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{31}\\\hline{108}\end{array}
(310−112)×57=1384\left( {\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{12}\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{13}\\\hline{84}\end{array}(25+16):49=5140\left( {\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline9\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{51}\\\hline{40}\end{array}
(35−13):47=715\left( {\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{15}\end{array}(29+13)×56=2554\left( {\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{25}\\\hline{54}\end{array}
(27−15):38=835\left( {\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}8\\\hline{35}\end{array}(310+15)×27=17\left( {\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}1\\\hline7\end{array}
(38−110):45=1132\left( {\begin{array}{cccccccccccccccccccc}3\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline{10}\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{11}\\\hline{32}\end{array}(25+18)×37=940\left( {\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}9\\\hline{40}\end{array}
(13+15)×78=715\left( {\begin{array}{cccccccccccccccccccc}1\\\hline3\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline5\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}7\\\hline8\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{15}\end{array}(59−27):35=85189\left( {\begin{array}{cccccccccccccccccccc}5\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{85}\\\hline{189}\end{array}
(29−18):57=49360\left( {\begin{array}{cccccccccccccccccccc}2\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline7\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{49}\\\hline{360}\end{array}(45+16)×310=29100\left( {\begin{array}{cccccccccccccccccccc}4\\\hline5\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{29}\\\hline{100}\end{array}
(512−18):34=718\left( {\begin{array}{cccccccccccccccccccc}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline8\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline4\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}7\\\hline{18}\end{array}(411−16):35=65198\left( {\begin{array}{cccccccccccccccccccc}4\\\hline{11}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline6\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline5\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{65}\\\hline{198}\end{array}
(27+19)×56=125378\left( {\begin{array}{cccccccccccccccccccc}2\\\hline7\end{array}{\rm{ }} + {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline9\end{array}} \right){\rm{ }} \times {\rm{ }}\begin{array}{cccccccccccccccccccc}5\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}{125}\\\hline{378}\end{array}(25−14):36=310\left( {\begin{array}{cccccccccccccccccccc}2\\\hline5\end{array}{\rm{ }} - {\rm{ }}\begin{array}{cccccccccccccccccccc}1\\\hline4\end{array}} \right){\rm{ }}:{\rm{ }}\begin{array}{cccccccccccccccccccc}3\\\hline6\end{array}{\rm{ = }}\begin{array}{cccccccccccccccccccc}3\\\hline{10}\end{array}
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