Example

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

Question

$$\begin{aligned}15750&\\ \underline{\times45}&\end{aligned}$$

Answer

708750

Solution


Use the algorithm method.
15750
×45
232
78750
232
630000
1
708750
Therefore, \(15750\times 45=708750\).
\[708750\]
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