TopStudy

Đáp án và lời giải

Bài tập Toán lớp 2 Phép cộng (có nhớ) trong phạm vi 1 000 (có đáp án)

Về trang đề

Câu 1

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

+457   23‾    480\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{457}\\{\,\,\,23}\end{array}} \\\,\,\,\,480\end{array}

+517      6‾    523\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{517}\\{\,\,\,\,\,\,6}\end{array}} \\\,\,\,\,523\end{array}

+346   29‾    375\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{346}\\{\,\,\,29}\end{array}} \\\,\,\,\,375\end{array}

+629   35‾    664\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{629}\\{\,\,\,35}\end{array}} \\\,\,\,\,664\end{array}

+550   82‾    632\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{550}\\{\,\,\,82}\end{array}} \\\,\,\,\,632\end{array}

+264275‾    539\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{264}\\{275}\end{array}} \\\,\,\,\,539\end{array}

Câu 2

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

+143148‾    291\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{143}\\{148}\end{array}} \\\,\,\,\,291\end{array}

+667315‾    982\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{667}\\{315}\end{array}} \\\,\,\,\,982\end{array}

+318242‾    560\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{318}\\{242}\end{array}} \\\,\,\,\,560\end{array}

+356426‾    782\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{356}\\{426}\end{array}} \\\,\,\,\,782\end{array}

+325168‾    493\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{325}\\{168}\end{array}} \\\,\,\,\,493\end{array}

+365507‾    872\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{365}\\{507}\end{array}} \\\,\,\,\,872\end{array}

Câu 3

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

+627      9‾    636\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{627}\\{\,\,\,\,\,\,9}\end{array}} \\\,\,\,\,636\end{array}

+918   75‾    993\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{918}\\{\,\,\,75}\end{array}} \\\,\,\,\,993\end{array}

+374145‾    519\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{374}\\{145}\end{array}} \\\,\,\,\,519\end{array}

+652   92‾    744\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{652}\\{\,\,\,92}\end{array}} \\\,\,\,\,744\end{array}

+728228‾    956\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{728}\\{228}\end{array}} \\\,\,\,\,956\end{array}

+252651‾    903\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{252}\\{651}\end{array}} \\\,\,\,\,903\end{array}

Câu 4

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

+333558‾    891\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{333}\\{558}\end{array}} \\\,\,\,\,891\end{array}

+871   50‾    921\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{871}\\{\,\,\,50}\end{array}} \\\,\,\,\,921\end{array}

+815      8‾    823\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{815}\\{\,\,\,\,\,\,8}\end{array}} \\\,\,\,\,823\end{array}

+187506‾    693\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{187}\\{506}\end{array}} \\\,\,\,\,693\end{array}

+145326‾    471\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{145}\\{326}\end{array}} \\\,\,\,\,471\end{array}

+   73290‾    363\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{\,\,\,73}\\{290}\end{array}} \\\,\,\,\,363\end{array}

Câu 5

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

+578130‾    708\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{578}\\{130}\end{array}} \\\,\,\,\,708\end{array}

+658151‾    809\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{658}\\{151}\end{array}} \\\,\,\,\,809\end{array}

+165353‾    518\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{165}\\{353}\end{array}} \\\,\,\,\,518\end{array}

+258270‾    528\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{258}\\{270}\end{array}} \\\,\,\,\,528\end{array}

+668   90‾    758\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{668}\\{\,\,\,90}\end{array}} \\\,\,\,\,758\end{array}

+467227‾    694\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{467}\\{227}\end{array}} \\\,\,\,\,694\end{array}

Câu 6

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

+882108‾    990\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{882}\\{108}\end{array}} \\\,\,\,\,990\end{array}

+829      5‾    834\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{829}\\{\,\,\,\,\,\,5}\end{array}} \\\,\,\,\,834\end{array}

+546172‾    718\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{546}\\{172}\end{array}} \\\,\,\,\,718\end{array}

+567209‾    776\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{567}\\{209}\end{array}} \\\,\,\,\,776\end{array}

+390   58‾    448\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{390}\\{\,\,\,58}\end{array}} \\\,\,\,\,448\end{array}

+597130‾    727\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{597}\\{130}\end{array}} \\\,\,\,\,727\end{array}

Câu 7

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

+581173‾   754\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{581}\\{173}\end{array}} \\\,\,\,754\end{array}

+608   77‾    685\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{608}\\{\,\,\,77}\end{array}} \\\,\,\,\,685\end{array}

+368250‾    618\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{368}\\{250}\end{array}} \\\,\,\,\,618\end{array}

+336329‾    665\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{336}\\{329}\end{array}} \\\,\,\,\,665\end{array}

+154     6‾    160\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{154}\\{\,\,\,\,\,6}\end{array}} \\\,\,\,\,160\end{array}

+265572‾    837\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{265}\\{572}\end{array}} \\\,\,\,\,837\end{array}

Câu 8

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

+493    85‾    578\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{493}\\{\,\,\,\,85}\end{array}} \\\,\,\,\,578\end{array}

+615129‾    744\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{615}\\{129}\end{array}} \\\,\,\,\,744\end{array}

+176      6‾    182\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{176}\\{\,\,\,\,\,\,6}\end{array}} \\\,\,\,\,182\end{array}

+768202‾    970\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{768}\\{202}\end{array}} \\\,\,\,\,970\end{array}

+879      9‾    888\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{879}\\{\,\,\,\,\,\,9}\end{array}} \\\,\,\,\,888\end{array}

+768   22‾    790\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{768}\\{\,\,\,22}\end{array}} \\\,\,\,\,790\end{array}

Câu 9

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

+402   88‾    490\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{402}\\{\,\,\,88}\end{array}} \\\,\,\,\,490\end{array}

+593355‾    948\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{593}\\{355}\end{array}} \\\,\,\,\,948\end{array}

+578260‾    838\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{578}\\{260}\end{array}} \\\,\,\,\,838\end{array}

+607   25‾    632\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{607}\\{\,\,\,25}\end{array}} \\\,\,\,\,632\end{array}

+265   72‾    337\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{265}\\{\,\,\,72}\end{array}} \\\,\,\,\,337\end{array}

+116   78‾    194\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{116}\\{\,\,\,78}\end{array}} \\\,\,\,\,194\end{array}

Câu 10

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

+498391‾    889\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{498}\\{391}\end{array}} \\\,\,\,\,889\end{array}

+624   66‾    690\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{624}\\{\,\,\,66}\end{array}} \\\,\,\,\,690\end{array}

+724158‾    882\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{724}\\{158}\end{array}} \\\,\,\,\,882\end{array}

+235456‾    691\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{235}\\{456}\end{array}} \\\,\,\,\,691\end{array}

+427246‾    673\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{427}\\{246}\end{array}} \\\,\,\,\,673\end{array}

+498270‾    768\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{498}\\{270}\end{array}} \\\,\,\,\,768\end{array}

Câu 11

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

+526315‾    841\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{526}\\{315}\end{array}} \\\,\,\,\,841\end{array}

+719   54‾    773\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{719}\\{\,\,\,54}\end{array}} \\\,\,\,\,773\end{array}

+527145‾    672\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{527}\\{145}\end{array}} \\\,\,\,\,672\end{array}

+719245‾    964\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{719}\\{245}\end{array}} \\\,\,\,\,964\end{array}

+791176‾    967\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{791}\\{176}\end{array}} \\\,\,\,\,967\end{array}

+246444‾    690\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{246}\\{444}\end{array}} \\\,\,\,\,690\end{array}

Câu 12

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

+619178‾    797\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{619}\\{178}\end{array}} \\\,\,\,\,797\end{array}

+392163‾    555\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{392}\\{163}\end{array}} \\\,\,\,\,555\end{array}

+690   86‾    776\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{690}\\{\,\,\,86}\end{array}} \\\,\,\,\,776\end{array}

+532185‾    717\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{532}\\{185}\end{array}} \\\,\,\,\,717\end{array}

+199520‾    719\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{199}\\{520}\end{array}} \\\,\,\,\,719\end{array}

+726182‾    908\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{726}\\{182}\end{array}} \\\,\,\,\,908\end{array}

Câu 13

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

+476204‾    680\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{476}\\{204}\end{array}} \\\,\,\,\,680\end{array}

+435215‾    650\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{435}\\{215}\end{array}} \\\,\,\,\,650\end{array}

+627148‾    775\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{627}\\{148}\end{array}} \\\,\,\,\,775\end{array}

+639142‾    781\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{639}\\{142}\end{array}} \\\,\,\,\,781\end{array}

+607134‾    741\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{607}\\{134}\end{array}} \\\,\,\,\,741\end{array}

+365   71‾    436\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{365}\\{\,\,\,71}\end{array}} \\\,\,\,\,436\end{array}

Câu 14

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

+332   48‾    380\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{332}\\{\,\,\,48}\end{array}} \\\,\,\,\,380\end{array}

+452373‾    825\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{452}\\{373}\end{array}} \\\,\,\,\,825\end{array}

+415   65‾    480\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{415}\\{\,\,\,65}\end{array}} \\\,\,\,\,480\end{array}

+925   47‾    972\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{925}\\{\,\,\,47}\end{array}} \\\,\,\,\,972\end{array}

+562383‾    945\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{562}\\{383}\end{array}} \\\,\,\,\,945\end{array}

+652173‾    825\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{652}\\{173}\end{array}} \\\,\,\,\,825\end{array}

Câu 15

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

+457325‾    782\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{457}\\{325}\end{array}} \\\,\,\,\,782\end{array}

+236   71‾    307\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{236}\\{\,\,\,71}\end{array}} \\\,\,\,\,307\end{array}

+845107‾    952\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{845}\\{107}\end{array}} \\\,\,\,\,952\end{array}

+584321‾    905\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{584}\\{321}\end{array}} \\\,\,\,\,905\end{array}

+647213‾    860\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{647}\\{213}\end{array}} \\\,\,\,\,860\end{array}

+550152‾    702\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{550}\\{152}\end{array}} \\\,\,\,\,702\end{array}

Câu 16

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

+271180‾    451\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{271}\\{180}\end{array}} \\\,\,\,\,451\end{array}

+388   20‾    408\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{388}\\{\,\,\,20}\end{array}} \\\,\,\,\,408\end{array}

+526426‾    952\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{526}\\{426}\end{array}} \\\,\,\,\,952\end{array}

+777   50‾    827\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{777}\\{\,\,\,50}\end{array}} \\\,\,\,\,827\end{array}

+655250‾    905\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{655}\\{250}\end{array}} \\\,\,\,\,905\end{array}

+332181‾    513\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{332}\\{181}\end{array}} \\\,\,\,\,513\end{array}

Câu 17

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

+879109‾    988\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{879}\\{109}\end{array}} \\\,\,\,\,988\end{array}

+156   50‾    206\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{156}\\{\,\,\,50}\end{array}} \\\,\,\,\,206\end{array}

+356182‾    538\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{356}\\{182}\end{array}} \\\,\,\,\,538\end{array}

+791121‾   912\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{791}\\{121}\end{array}} \\\,\,\,912\end{array}

+256319‾    575\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{256}\\{319}\end{array}} \\\,\,\,\,575\end{array}

+622290‾    912\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{622}\\{290}\end{array}} \\\,\,\,\,912\end{array}

Câu 18

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

+782   36‾    818\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{782}\\{\,\,\,36}\end{array}} \\\,\,\,\,818\end{array}

+405275‾    680\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{405}\\{275}\end{array}} \\\,\,\,\,680\end{array}

+280361‾    641\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{280}\\{361}\end{array}} \\\,\,\,\,641\end{array}

+518390‾    908\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{518}\\{390}\end{array}} \\\,\,\,\,908\end{array}

+215278‾    493\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{215}\\{278}\end{array}} \\\,\,\,\,493\end{array}

+518290‾    808\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{518}\\{290}\end{array}} \\\,\,\,\,808\end{array}

Câu 19

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

+375370‾    745\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{375}\\{370}\end{array}} \\\,\,\,\,745\end{array}

+451278‾    729\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{451}\\{278}\end{array}} \\\,\,\,\,729\end{array}

+697   82‾    779\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{697}\\{\,\,\,82}\end{array}} \\\,\,\,\,779\end{array}

+703157‾    860\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{703}\\{157}\end{array}} \\\,\,\,\,860\end{array}

+469261‾    730\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{469}\\{261}\end{array}} \\\,\,\,\,730\end{array}

+542163‾    705\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{542}\\{163}\end{array}} \\\,\,\,\,705\end{array}

Câu 20

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

+447381‾    828\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{447}\\{381}\end{array}} \\\,\,\,\,828\end{array}

+198190‾    388\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{198}\\{190}\end{array}} \\\,\,\,\,388\end{array}

+340266‾    606\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{340}\\{266}\end{array}} \\\,\,\,\,606\end{array}

+504489‾    993\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{504}\\{489}\end{array}} \\\,\,\,\,993\end{array}

+278   51‾    329\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{278}\\{\,\,\,51}\end{array}} \\\,\,\,\,329\end{array}

+   17578‾    595\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{\,\,\,17}\\{578}\end{array}} \\\,\,\,\,595\end{array}

Câu 21

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

+225316‾    541\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{225}\\{316}\end{array}} \\\,\,\,\,541\end{array}

+696172‾    868\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{696}\\{172}\end{array}} \\\,\,\,\,868\end{array}

+199230‾    429\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{199}\\{230}\end{array}} \\\,\,\,\,429\end{array}

+425   35‾    460\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{425}\\{\,\,\,35}\end{array}} \\\,\,\,\,460\end{array}

+635   73‾    708\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{635}\\{\,\,\,73}\end{array}} \\\,\,\,\,708\end{array}

+711197‾    908\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{711}\\{197}\end{array}} \\\,\,\,\,908\end{array}

Câu 22

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

+285562‾    847\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{285}\\{562}\end{array}} \\\,\,\,\,847\end{array}

+435458‾     893\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{435}\\{458}\end{array}} \\\,\,\,\,\,893\end{array}

+189680‾    869\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{189}\\{680}\end{array}} \\\,\,\,\,869\end{array}

+812118‾    930\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{812}\\{118}\end{array}} \\\,\,\,\,930\end{array}

+726236‾    962\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{726}\\{236}\end{array}} \\\,\,\,\,962\end{array}

+872   33‾    905\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{872}\\{\,\,\,33}\end{array}} \\\,\,\,\,905\end{array}

Câu 23

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

+371374‾    745\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{371}\\{374}\end{array}} \\\,\,\,\,745\end{array}

+156172‾    328\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{156}\\{172}\end{array}} \\\,\,\,\,328\end{array}

+444383‾    827\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{444}\\{383}\end{array}} \\\,\,\,\,827\end{array}

+105105‾    210\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{105}\\{105}\end{array}} \\\,\,\,\,210\end{array}

+270178‾    448\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{270}\\{178}\end{array}} \\\,\,\,\,448\end{array}

+561192‾    753\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{561}\\{192}\end{array}} \\\,\,\,\,753\end{array}

Câu 24

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

+654   29‾    683\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{654}\\{\,\,\,29}\end{array}} \\\,\,\,\,683\end{array}

+185761‾    946\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{185}\\{761}\end{array}} \\\,\,\,\,946\end{array}

+881   58‾    939\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{881}\\{\,\,\,58}\end{array}} \\\,\,\,\,939\end{array}

+109125‾    234\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{109}\\{125}\end{array}} \\\,\,\,\,234\end{array}

+218   90‾    308\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{218}\\{\,\,\,90}\end{array}} \\\,\,\,\,308\end{array}

+370375‾    745\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{370}\\{375}\end{array}} \\\,\,\,\,745\end{array}

Câu 25

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

+409   89‾    498\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{409}\\{\,\,\,89}\end{array}} \\\,\,\,\,498\end{array}

+343572‾    915\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{343}\\{572}\end{array}} \\\,\,\,\,915\end{array}

+452452‾    904\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{452}\\{452}\end{array}} \\\,\,\,\,904\end{array}

+735129‾    864\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{735}\\{129}\end{array}} \\\,\,\,\,864\end{array}

+379608‾    987\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{379}\\{608}\end{array}} \\\,\,\,\,987\end{array}

+370392‾    762\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{370}\\{392}\end{array}} \\\,\,\,\,762\end{array}

Câu 26

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

+115819‾    934\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{115}\\{819}\end{array}} \\\,\,\,\,934\end{array}

+330170‾    500\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{330}\\{170}\end{array}} \\\,\,\,\,500\end{array}

+   68450‾    518\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{\,\,\,68}\\{450}\end{array}} \\\,\,\,\,518\end{array}

+542373‾    915\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{542}\\{373}\end{array}} \\\,\,\,\,915\end{array}

+627318‾    945\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{627}\\{318}\end{array}} \\\,\,\,\,945\end{array}

+314536‾    850\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{314}\\{536}\end{array}} \\\,\,\,\,850\end{array}

Câu 27

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

+659   70‾    729\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{659}\\{\,\,\,70}\end{array}} \\\,\,\,\,729\end{array}

+538   42‾    580\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{538}\\{\,\,\,42}\end{array}} \\\,\,\,\,580\end{array}

+415492‾    907\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{415}\\{492}\end{array}} \\\,\,\,\,907\end{array}

+517323‾    840\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{517}\\{323}\end{array}} \\\,\,\,\,840\end{array}

+807   73‾    880\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{807}\\{\,\,\,73}\end{array}} \\\,\,\,\,880\end{array}

+718      3‾    721\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{718}\\{\,\,\,\,\,\,3}\end{array}} \\\,\,\,\,721\end{array}

Câu 28

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

+289160‾    449\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{289}\\{160}\end{array}} \\\,\,\,\,449\end{array}

+723118‾    841\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{723}\\{118}\end{array}} \\\,\,\,\,841\end{array}

+380475‾    855\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{380}\\{475}\end{array}} \\\,\,\,\,855\end{array}

+407256‾    663\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{407}\\{256}\end{array}} \\\,\,\,\,663\end{array}

+708   56‾    764\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{708}\\{\,\,\,56}\end{array}} \\\,\,\,\,764\end{array}

+752196‾    948\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{752}\\{196}\end{array}} \\\,\,\,\,948\end{array}

Câu 29

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

+285283‾    568\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{285}\\{283}\end{array}} \\\,\,\,\,568\end{array}

+167660‾    827\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{167}\\{660}\end{array}} \\\,\,\,\,827\end{array}

+189370‾    559\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{189}\\{370}\end{array}} \\\,\,\,\,559\end{array}

+325128‾    453\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{325}\\{128}\end{array}} \\\,\,\,\,453\end{array}

+782   56‾    838\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{782}\\{\,\,\,56}\end{array}} \\\,\,\,\,838\end{array}

+239515‾    754\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{239}\\{515}\end{array}} \\\,\,\,\,754\end{array}

Câu 30

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

+484   74‾    558\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{484}\\{\,\,\,74}\end{array}} \\\,\,\,\,558\end{array}

+182167‾    349\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{182}\\{167}\end{array}} \\\,\,\,\,349\end{array}

+226317‾    543\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{226}\\{317}\end{array}} \\\,\,\,\,543\end{array}

+237355‾    592\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{237}\\{355}\end{array}} \\\,\,\,\,592\end{array}

+264270‾    534\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{264}\\{270}\end{array}} \\\,\,\,\,534\end{array}

+455   61‾    516\begin{array}{l}\underline { + \begin{array}{cccccccccccccccccccc}{455}\\{\,\,\,61}\end{array}} \\\,\,\,\,516\end{array}