Example

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

Question

$$\begin{aligned}60&\\ \underline{\times4}&\end{aligned}$$

Answer

240

Solution


Use the algorithm method.
60
×4
2
240
Therefore, \(60\times 4=240\).
\[240\]
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