Example

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

Question

$$\underline{+\frac{2}{5}}$$

Answer

0.4

Solution


Use the algorithm method.
0.4
5|2.
2.0
Therefore, \(2\div 5=0.4\).
\[0.4\]
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