Đặt tính rồi tính a) 69 781 + 8 154 b) 5 038 – 78 c) 4 207 × 8 d) 8 225 : 6
Đặt tính rồi tính
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a) 69 781 + 8 154 |
b) 5 038 – 78 |
c) 4 207 × 8 |
d) 8 225 : 6 |
Lời giải:
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\(\begin{array}{l} + \,\,\underline \begin{array}{l}69\,\,781\\\,\,\,\,8\,\,154\end{array} \\\,\,\,\,\,77\,\,935\end{array}\) |
\(\begin{array}{l} - \,\,\underline \begin{array}{l}5\,\,083\\\,\,\,\,\,\,\,78\end{array} \\\,\,\,\,\,5\,\,005\end{array}\) |
\(\begin{array}{l} \times \,\,\underline \begin{array}{l}\,\,4\,\,207\\\,\,\,\,\,\,\,\,\,\,\,\,\,\,8\end{array} \\\,\,\,\,33\,\,656\end{array}\) |
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