Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\begin{aligned}22&\\ \underline{\times31}&\end{aligned}$$

Answer

682

Solution


Use the algorithm method.
22
×31
22
660
682
Therefore, \(22\times 31=682\).
\[682\]
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