問題文全文(内容文)：
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$(10a+b)(10c+d)$
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63 \\[-3pt]
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$(10a+b)(10c+d)$
単元：
#計算と数の性質#いろいろな計算
指導講師：
鈴木貫太郎
問題文全文(内容文)：
$\begin{array}{r}
32 \\[-3pt]
\underline{\times\phantom{0}56}\\[-3pt]
\end{array}$
$\begin{array}{r}
63 \\[-3pt]
\underline{\times\phantom{0}52}\\[-3pt]
\end{array}$
$\begin{array}{r}
46 \\[-3pt]
\underline{\times\phantom{0}78}\\[-3pt]
\end{array}$
$\begin{array}{r}
ab \\[-3pt]
\underline{\times\phantom{0}cd}\\[-3pt]
\end{array}$
$(10a+b)(10c+d)$
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32 \\[-3pt]
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\end{array}$
$\begin{array}{r}
63 \\[-3pt]
\underline{\times\phantom{0}52}\\[-3pt]
\end{array}$
$\begin{array}{r}
46 \\[-3pt]
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\end{array}$
$\begin{array}{r}
ab \\[-3pt]
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\end{array}$
$(10a+b)(10c+d)$
投稿日：2019.10.25
