TopStudy

Đáp án và lời giải

Bài tập Toán lớp 2 Phép cộng, phép trừ (có nhớ) trong phạm vi 100 (có đáp án)

Về trang đề

Câu 1

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

+2539‾    64\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{25}\\{39}\end{array}} \\\,\,\,\,64\end{array}

−5528‾    27\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{55}\\{28}\end{array}} \\\,\,\,\,27\end{array}

+3538‾    73\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{35}\\{38}\end{array}} \\\,\,\,\,73\end{array}

−9136‾    55\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{91}\\{36}\end{array}} \\\,\,\,\,55\end{array}

Câu 2

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

−7548‾    27\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{75}\\{48}\end{array}} \\\,\,\,\,27\end{array}

+2815‾    43\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{28}\\{15}\end{array}} \\\,\,\,\,43\end{array}

−5038‾    12\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{50}\\{38}\end{array}} \\\,\,\,\,12\end{array}

+2749‾    76\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{27}\\{49}\end{array}} \\\,\,\,\,76\end{array}

Câu 3

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

+1746‾    63\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{17}\\{46}\end{array}} \\\,\,\,\,63\end{array}

−8053‾    27\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{80}\\{53}\end{array}} \\\,\,\,\,27\end{array}

+63   8‾    71\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{63}\\{\,\,\,8}\end{array}} \\\,\,\,\,71\end{array}

−7038‾    32\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{70}\\{38}\end{array}} \\\,\,\,\,32\end{array}

Câu 4

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

−95   9‾    86\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{95}\\{\,\,\,9}\end{array}} \\\,\,\,\,86\end{array}

+2547‾    72\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{25}\\{47}\end{array}} \\\,\,\,\,72\end{array}

−7025‾    45\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{70}\\{25}\end{array}} \\\,\,\,\,45\end{array}

+2719‾    46\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{27}\\{19}\end{array}} \\\,\,\,\,46\end{array}

Câu 5

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

+6525‾    90\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{65}\\{25}\end{array}} \\\,\,\,\,90\end{array}

−5036‾    14\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{50}\\{36}\end{array}} \\\,\,\,\,14\end{array}

+5218‾    70\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{52}\\{18}\end{array}} \\\,\,\,\,70\end{array}

−9275‾    17\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{92}\\{75}\end{array}} \\\,\,\,\,17\end{array}

Câu 6

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

−8356‾    27\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{83}\\{56}\end{array}} \\\,\,\,\,27\end{array}

+5824‾    82\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{58}\\{24}\end{array}} \\\,\,\,\,82\end{array}

−9778‾    19\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{97}\\{78}\end{array}} \\\,\,\,\,19\end{array}

+3229‾    61\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{32}\\{29}\end{array}} \\\,\,\,\,61\end{array}

Câu 7

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

+  2476‾   100\begin{array}{l}\underline { + \,\,\begin{array}{cccccccccccccccccccc}{24}\\{76}\end{array}} \\\,\,\,100\end{array}

−4516‾    29\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{45}\\{16}\end{array}} \\\,\,\,\,29\end{array}

+3813‾    51\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{38}\\{13}\end{array}} \\\,\,\,\,51\end{array}

−4238‾       4\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{42}\\{38}\end{array}} \\\,\,\,\,\,\,\,4\end{array}

Câu 8

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

−8467‾    17\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{84}\\{67}\end{array}} \\\,\,\,\,17\end{array}

+1538‾    53\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{15}\\{38}\end{array}} \\\,\,\,\,53\end{array}

−8557‾    28\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{85}\\{57}\end{array}} \\\,\,\,\,28\end{array}

+6717‾    84\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{67}\\{17}\end{array}} \\\,\,\,\,84\end{array}

Câu 9

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

+3819‾    57\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{38}\\{19}\end{array}} \\\,\,\,\,57\end{array}

−76   8‾    68\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{76}\\{\,\,\,8}\end{array}} \\\,\,\,\,68\end{array}

+4615‾    61\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{46}\\{15}\end{array}} \\\,\,\,\,61\end{array}

−8334‾    49\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{83}\\{34}\end{array}} \\\,\,\,\,49\end{array}

Câu 10

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

−3528‾      7\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{35}\\{28}\end{array}} \\\,\,\,\,\,\,7\end{array}

+5824‾    82\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{58}\\{24}\end{array}} \\\,\,\,\,82\end{array}

−8229‾    53\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{82}\\{29}\end{array}} \\\,\,\,\,53\end{array}

+1634‾    50\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{16}\\{34}\end{array}} \\\,\,\,\,50\end{array}

Câu 11

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

+3838‾    76\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{38}\\{38}\end{array}} \\\,\,\,\,76\end{array}

−65    8‾     57\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{65}\\{\,\,\,\,8}\end{array}} \\\,\,\,\,\,57\end{array}

+85   5‾    90\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{85}\\{\,\,\,5}\end{array}} \\\,\,\,\,90\end{array}

−8228‾    54\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{82}\\{28}\end{array}} \\\,\,\,\,54\end{array}

Câu 12

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

−7647‾    29\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{76}\\{47}\end{array}} \\\,\,\,\,29\end{array}

+6823‾    91\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{68}\\{23}\end{array}} \\\,\,\,\,91\end{array}

−8549‾    36\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{85}\\{49}\end{array}} \\\,\,\,\,36\end{array}

+3647‾    83\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{36}\\{47}\end{array}} \\\,\,\,\,83\end{array}

Câu 13

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

+2748‾    75\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{27}\\{48}\end{array}} \\\,\,\,\,75\end{array}

−7335‾    38\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{73}\\{35}\end{array}} \\\,\,\,\,38\end{array}

+1248‾    60\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{12}\\{48}\end{array}} \\\,\,\,\,60\end{array}

−100   38‾       62\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{100}\\{\,\,\,38}\end{array}} \\\,\,\,\,\,\,\,62\end{array}

Câu 14

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

−9438‾    56\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{94}\\{38}\end{array}} \\\,\,\,\,56\end{array}

+2744‾    71\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{27}\\{44}\end{array}} \\\,\,\,\,71\end{array}

−6527‾    38\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{65}\\{27}\end{array}} \\\,\,\,\,38\end{array}

+5516‾    71\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{55}\\{16}\end{array}} \\\,\,\,\,71\end{array}

Câu 15

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

+2338‾    61\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{23}\\{38}\end{array}} \\\,\,\,\,61\end{array}

−7051‾    19\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{70}\\{51}\end{array}} \\\,\,\,\,19\end{array}

+6535‾  100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{65}\\{35}\end{array}} \\\,\,100\end{array}

−8556‾    29\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{85}\\{56}\end{array}} \\\,\,\,\,29\end{array}

Câu 16

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

−4519‾    26\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{45}\\{19}\end{array}} \\\,\,\,\,26\end{array}

+7815‾    93\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{78}\\{15}\end{array}} \\\,\,\,\,93\end{array}

−8646‾    40\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{86}\\{46}\end{array}} \\\,\,\,\,40\end{array}

+2635‾    61\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{26}\\{35}\end{array}} \\\,\,\,\,61\end{array}

Câu 17

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

+2469‾    93\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{24}\\{69}\end{array}} \\\,\,\,\,93\end{array}

−64   9‾    55\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{64}\\{\,\,\,9}\end{array}} \\\,\,\,\,55\end{array}

+74   6‾    80\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{74}\\{\,\,\,6}\end{array}} \\\,\,\,\,80\end{array}

−7028‾    42\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{70}\\{28}\end{array}} \\\,\,\,\,42\end{array}

Câu 18

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

−6019‾    41\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{60}\\{19}\end{array}} \\\,\,\,\,41\end{array}

+5921‾    80\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{59}\\{21}\end{array}} \\\,\,\,\,80\end{array}

−7667‾       9\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{76}\\{67}\end{array}} \\\,\,\,\,\,\,\,9\end{array}

+1875‾    93\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{18}\\{75}\end{array}} \\\,\,\,\,93\end{array}

Câu 19

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

+2526‾    51\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{25}\\{26}\end{array}} \\\,\,\,\,51\end{array}

−6334‾    29\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{63}\\{34}\end{array}} \\\,\,\,\,29\end{array}

+1958‾    77\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{19}\\{58}\end{array}} \\\,\,\,\,77\end{array}

−8355‾    28\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{83}\\{55}\end{array}} \\\,\,\,\,28\end{array}

Câu 20

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

−65   7‾    58\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{65}\\{\,\,\,7}\end{array}} \\\,\,\,\,58\end{array}

+2644‾    70\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{26}\\{44}\end{array}} \\\,\,\,\,70\end{array}

−8267‾    15\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{82}\\{67}\end{array}} \\\,\,\,\,15\end{array}

+2713‾    40\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{27}\\{13}\end{array}} \\\,\,\,\,40\end{array}

Câu 21

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

+7228‾      100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{72}\\{28}\end{array}} \,\,\,\,\\\,\,100\end{array}

−4226‾    16\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{42}\\{26}\end{array}} \\\,\,\,\,16\end{array}

+3635‾    71\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{36}\\{35}\end{array}} \\\,\,\,\,71\end{array}

−4328‾    15\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{43}\\{28}\end{array}} \\\,\,\,\,15\end{array}

Câu 22

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

−7031‾    39\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{70}\\{31}\end{array}} \\\,\,\,\,39\end{array}

+2636‾    62\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{26}\\{36}\end{array}} \\\,\,\,\,62\end{array}

−5813‾    45\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{58}\\{13}\end{array}} \\\,\,\,\,45\end{array}

−5223‾    29\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{52}\\{23}\end{array}} \\\,\,\,\,29\end{array}

Câu 23

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

+5923‾    82\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{59}\\{23}\end{array}} \\\,\,\,\,82\end{array}

−7336‾    37\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{73}\\{36}\end{array}} \\\,\,\,\,37\end{array}

+2918‾    47\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{29}\\{18}\end{array}} \\\,\,\,\,47\end{array}

−8021‾    59\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{80}\\{21}\end{array}} \\\,\,\,\,59\end{array}

Câu 24

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

−35   6‾    29\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{35}\\{\,\,\,6}\end{array}} \\\,\,\,\,29\end{array}

+8812‾  100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{88}\\{12}\end{array}} \\\,\,100\end{array}

−65   8‾    57\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{65}\\{\,\,\,8}\end{array}} \\\,\,\,\,57\end{array}

+51   9‾    60\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{51}\\{\,\,\,9}\end{array}} \\\,\,\,\,60\end{array}

Câu 25

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

+6713‾    80\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{67}\\{13}\end{array}} \\\,\,\,\,80\end{array}

−100   26‾       74\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{100}\\{\,\,\,26}\end{array}} \\\,\,\,\,\,\,\,74\end{array}

+91   9‾ 100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{91}\\{\,\,\,9}\end{array}} \\\,100\end{array}

−100   63‾       37\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{100}\\{\,\,\,63}\end{array}} \\\,\,\,\,\,\,\,37\end{array}

Câu 26

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

−65  6‾    59\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{65}\\{\,\,6}\end{array}} \\\,\,\,\,59\end{array}

+95   5‾  100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{95}\\{\,\,\,5}\end{array}} \\\,\,100\end{array}

−9468‾    26\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{94}\\{68}\end{array}} \\\,\,\,\,26\end{array}

+92  8‾  100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{92}\\{\,\,8}\end{array}} \\\,\,100\end{array}

Câu 27

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

+5644‾  100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{56}\\{44}\end{array}} \\\,\,100\end{array}

−7057‾    13\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{70}\\{57}\end{array}} \\\,\,\,\,13\end{array}

+3763‾  100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{37}\\{63}\end{array}} \\\,\,100\end{array}

−8068‾    12\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{80}\\{68}\end{array}} \\\,\,\,\,12\end{array}

Câu 28

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

−7059‾    11\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{70}\\{59}\end{array}} \\\,\,\,\,11\end{array}

+5813‾    71\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{58}\\{13}\end{array}} \\\,\,\,\,71\end{array}

−6536‾    29\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{65}\\{36}\end{array}} \\\,\,\,\,29\end{array}

+2537‾    62\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{25}\\{37}\end{array}} \\\,\,\,\,62\end{array}

Câu 29

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

+2656‾    82\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{26}\\{56}\end{array}} \\\,\,\,\,82\end{array}

−6226‾    36\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{62}\\{26}\end{array}} \\\,\,\,\,36\end{array}

+3713‾    50\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{37}\\{13}\end{array}} \\\,\,\,\,50\end{array}

−5617‾    39\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{56}\\{17}\end{array}} \\\,\,\,\,39\end{array}

Câu 30

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

−9184‾       7\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{91}\\{84}\end{array}} \\\,\,\,\,\,\,\,7\end{array}

+6328‾    91\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{63}\\{28}\end{array}} \\\,\,\,\,91\end{array}

−8234‾    48\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{82}\\{34}\end{array}} \\\,\,\,\,48\end{array}

+6627‾    93\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{66}\\{27}\end{array}} \\\,\,\,\,93\end{array}

Câu 31

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

+7815‾    93\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{78}\\{15}\end{array}} \\\,\,\,\,93\end{array}

−4219‾    23\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{42}\\{19}\end{array}} \\\,\,\,\,23\end{array}

+8119‾ 100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{81}\\{19}\end{array}} \\\,100\end{array}

−57   8‾    49\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{57}\\{\,\,\,8}\end{array}} \\\,\,\,\,49\end{array}

Câu 32

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

−9035‾    55\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{90}\\{35}\end{array}} \\\,\,\,\,55\end{array}

+5921‾    80\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{59}\\{21}\end{array}} \\\,\,\,\,80\end{array}

−5217‾    35\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{52}\\{17}\end{array}} \\\,\,\,\,35\end{array}

+3724‾    61\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{37}\\{24}\end{array}} \\\,\,\,\,61\end{array}

Câu 33

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

+5638‾    94\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{56}\\{38}\end{array}} \\\,\,\,\,94\end{array}

−6619‾    47\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{66}\\{19}\end{array}} \\\,\,\,\,47\end{array}

+2727‾    54\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{27}\\{27}\end{array}} \\\,\,\,\,54\end{array}

−5729‾    28\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{57}\\{29}\end{array}} \\\,\,\,\,28\end{array}

Câu 34

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

+7815‾    93\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{78}\\{15}\end{array}} \\\,\,\,\,93\end{array}

−4219‾    23\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{42}\\{19}\end{array}} \\\,\,\,\,23\end{array}

+8119‾ 100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{81}\\{19}\end{array}} \\\,100\end{array}

−57   8‾    49\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{57}\\{\,\,\,8}\end{array}} \\\,\,\,\,49\end{array}

Câu 35

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

+4726‾    73\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{47}\\{26}\end{array}} \\\,\,\,\,73\end{array}

−75   7‾    68\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{75}\\{\,\,\,7}\end{array}} \\\,\,\,\,68\end{array}

+1429‾    43\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{14}\\{29}\end{array}} \\\,\,\,\,43\end{array}

−92   9‾    83\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{92}\\{\,\,\,9}\end{array}} \\\,\,\,\,83\end{array}

Câu 36

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

−5218‾    34\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{52}\\{18}\end{array}} \\\,\,\,\,34\end{array}

+6813‾    81\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{68}\\{13}\end{array}} \\\,\,\,\,81\end{array}

−8066‾    14\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{80}\\{66}\end{array}} \\\,\,\,\,14\end{array}

+3557‾    92\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{35}\\{57}\end{array}} \\\,\,\,\,92\end{array}

Câu 37

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

+1648‾    64\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{16}\\{48}\end{array}} \\\,\,\,\,64\end{array}

−7225‾    47\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{72}\\{25}\end{array}} \\\,\,\,\,47\end{array}

+5526‾    81\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{55}\\{26}\end{array}} \\\,\,\,\,81\end{array}

−5438‾    16\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{54}\\{38}\end{array}} \\\,\,\,\,16\end{array}

Câu 38

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

−8539‾    46\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{85}\\{39}\end{array}} \\\,\,\,\,46\end{array}

+86  6‾    92\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{86}\\{\,\,6}\end{array}} \\\,\,\,\,92\end{array}

−3317‾    16\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{33}\\{17}\end{array}} \\\,\,\,\,16\end{array}

+7327‾  100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{73}\\{27}\end{array}} \\\,\,100\end{array}

Câu 39

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

+7525‾  100\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{75}\\{25}\end{array}} \\\,\,100\end{array}

−8133‾    48\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{81}\\{33}\end{array}} \\\,\,\,\,48\end{array}

+2466‾    90\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{24}\\{66}\end{array}} \\\,\,\,\,90\end{array}

−6417‾    47\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{64}\\{17}\end{array}} \\\,\,\,\,47\end{array}

Câu 40

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

−7738‾    39\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{77}\\{38}\end{array}} \\\,\,\,\,39\end{array}

+1965‾    84\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{19}\\{65}\end{array}} \\\,\,\,\,84\end{array}

−90   8‾    82\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{90}\\{\,\,\,8}\end{array}} \\\,\,\,\,82\end{array}

+4919‾    68\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{49}\\{19}\end{array}} \\\,\,\,\,68\end{array}

Câu 41

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

+3639‾    75\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{36}\\{39}\end{array}} \\\,\,\,\,75\end{array}

−7035‾    35\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{70}\\{35}\end{array}} \\\,\,\,\,35\end{array}

+1567‾    82\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{15}\\{67}\end{array}} \\\,\,\,\,82\end{array}

−100     8‾      92\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{100}\\{\,\,\,\,\,8}\end{array}} \\\,\,\,\,\,\,92\end{array}

Câu 42

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

+7715‾    92\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{77}\\{15}\end{array}} \\\,\,\,\,92\end{array}

−9117‾    74\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{91}\\{17}\end{array}} \\\,\,\,\,74\end{array}

+1927‾    46\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{19}\\{27}\end{array}} \\\,\,\,\,46\end{array}

Câu 43

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

−6446‾    18\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{64}\\{46}\end{array}} \\\,\,\,\,18\end{array}

+6824‾    92\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{68}\\{24}\end{array}} \\\,\,\,\,92\end{array}

−7638‾    38\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{76}\\{38}\end{array}} \\\,\,\,\,38\end{array}

+2569‾    94\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{25}\\{69}\end{array}} \\\,\,\,\,94\end{array}

Câu 44

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

+2846‾    74\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{28}\\{46}\end{array}} \\\,\,\,\,74\end{array}

−5838‾    20\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{58}\\{38}\end{array}} \\\,\,\,\,20\end{array}

+3826‾    64\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{38}\\{26}\end{array}} \\\,\,\,\,64\end{array}

−9737‾    60\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{97}\\{37}\end{array}} \\\,\,\,\,60\end{array}

Câu 45

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

−5417‾    37\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{54}\\{17}\end{array}} \\\,\,\,\,37\end{array}

+89  4‾    93\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{89}\\{\,\,4}\end{array}} \\\,\,\,\,93\end{array}

−8635‾    51\begin{array}{l}\underline { - \begin{array}{cccccccccccccccccccc}{86}\\{35}\end{array}} \\\,\,\,\,51\end{array}

+3737‾    74\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{37}\\{37}\end{array}} \\\,\,\,\,74\end{array}

Câu 46

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

29 + 45 = 74

70 – 6 = 64

18 + 54 = 72

15 + 65 = 80

27 – 8 = 19

81 – 52 = 29

11 + 49 = 60

60 – 35 = 25

76 – 38 = 38

58 + 22 = 80

27 + 19 = 46

92 – 26 = 66

44 + 16 = 60

45 + 27 = 72

53 – 28 = 25

71 – 18 = 53

36 + 15 = 51

27 – 9 = 18

72 – 8 = 64

65 + 7 = 72

Câu 47

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

35 + 45 = 80

83 – 38 = 45

18 + 25 = 43

75 – 68 = 7

37 + 15 = 52

41 – 17 = 24

18 + 63 = 81

90 – 37 = 53

28 + 16 = 44

28 – 19 = 9

75 + 16 = 91

60 – 35 = 25

18 + 44 = 62

52 – 36 = 16

86 + 14 = 100

93 – 88 = 5

81 + 9 = 90

74 – 67 = 7

38 + 17 = 55

36 – 18 = 18

Câu 48

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

45 – 29 = 16

25 + 8 = 33

51 – 25 = 26

48 + 26 = 74

35 – 9 = 26

57 + 36 = 93

81 – 36 = 45

36 + 16 = 52

80 – 64 = 16

15 + 67 = 82

60 – 48 = 12

15 + 17 = 32

65 – 28 = 37

38 + 5 = 43

53 – 5 = 48

68 + 27 = 95

90 – 27 = 63

25 + 36 = 61

90 – 83 = 7

17 + 27 = 44

Câu 49

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

25 + 39 = 64

40 – 18 = 22

39 + 34 = 73

72 – 57 = 15

46 + 36 = 82

66 – 48 = 18

37 + 55 = 92

63 – 5 = 58

28 + 45 = 73

70 – 55 = 15

35 + 47 = 82

98 – 9 = 89

28 + 14 = 42

91 – 19 = 72

18 + 23 = 41

70 – 46 = 24

35 + 27 = 62

92 – 75 = 17

24 + 6 = 30

61 – 35 = 26

Câu 50

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

31 – 17 = 14

27 + 17 = 44

70 – 28 = 42

24 + 38 = 62

40 – 28 = 12

25 + 67 = 92

81 – 56 = 25

12 + 38 = 50

75 – 9 = 66

74 + 9 = 83

80 – 57 = 23

47 + 16 = 63

65 – 19 = 46

87 + 13 = 100

67 – 28 = 39

15 + 35 = 50

32 – 13 = 19

53 + 37 = 90

62 – 24 = 38

61 + 39 = 100

Câu 51

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

17 + 43 = 60

61 – 24 = 37

45 + 25 = 70

52 – 14 = 38

17 + 54 = 71

51 – 8 = 43

37 + 5 = 42

87 – 49 = 38

78 + 22 = 100

73 – 57 = 16

17 + 33 = 50

73 – 48 = 25

26 + 46 = 72

85 – 58 = 27

26 + 39 = 65

33 + 67 = 100

24 + 36 = 60

56 – 18 = 38

15 + 26 = 41

86 – 67 = 19

Câu 52

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

54 – 17 = 37

35 + 8 = 43

61 – 8 = 53

26 + 74 = 100

62 – 38 = 24

17 + 26 = 43

34 – 27 = 7

25 + 36 = 61

82 – 28 = 54

14 + 57 = 71

80 – 55 = 25

35 + 17 = 52

90 – 78 = 12

16 + 28 = 44

75 – 12 = 63

48 + 43 = 91

90 – 8 = 82

56 + 8 = 64

82 – 68 = 14

58 + 12 = 70

Câu 53

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

28 + 18 = 46

65 – 48 = 17

67 + 15 = 82

55 – 28 = 27

77 + 16 = 93

32 – 18 = 14

27 + 15 = 42

75 – 48 = 27

29 + 55 = 84

95 – 48 = 47

68 + 2 = 70

50 – 45 = 5

17 + 5 = 22

50 – 25 = 25

17 + 25 = 42

61 – 22 = 39

45 + 45 = 90

98 – 9 = 89

41 + 35 = 76

98 – 19 = 79

Câu 54

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

48 + 8 + 27 = 83

62 – 5 – 28 = 29

25 + 17 + 39 = 81

81 – 38 – 29 = 14

14 + 29 + 18 = 61

50 – 13 – 28 = 9

27 + 16 + 48 = 91

81 – 55 – 18 = 8

18 + 15 + 17 = 50

97 – 39 – 9 = 49

16 + 36 + 28 = 80

66 – 29 – 29 = 8

25 + 29 + 9 = 63

60 – 25 – 6 = 29

18 + 45 + 19 = 82

Câu 55

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

75 – 18 – 28 = 29

83 – 35 – 19 = 29

68 + 12 – 21 = 59

58 + 12 – 54 = 16

90 – 78 + 38 = 50

4 + 59 + 17 = 80

65 + 15 – 44 = 26

87 + 13 – 54 = 46

75 – 58 + 23 = 40

62 – 43 + 25 = 44

85 – 17 – 39 = 29

56 + 44 – 12 = 88

75 – 57 + 22 = 40

90 – 64 + 34 = 60

61 – 7 + 18 = 72

Câu 56

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

88 + 12 – 33 = 67

81 – 55 + 16 = 42

36 + 56 – 25 = 67

50 – 27 + 29 = 52

19 + 65 – 47 = 37

50 – 3 + 27 = 74

75 – 26 + 18 = 67

76 + 8 – 15 = 69

73 + 27 – 5 = 95

32 + 48 – 56 = 24

60 – 22 + 44 = 82

86 + 14 – 37 = 63

80 – 45 + 15 = 50

21 + 59 – 38 = 42

65 + 35 – 6 = 94