Example

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

Question

$$2 \times 12.4$$

Answer

24.8

Solution


Use the algorithm method.
2
×12.4
0.8
4.0
20.0
24.8
Therefore, \(2\times 12.4=24.8\).
\[24.8\]
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