Example

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

Question

$$(\frac{14}{15}+\frac{5}{2}+0,3)\cdot\frac{8}{7}\cdot0,75+\frac{5}{10}$$

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