Example

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

Question

$$\frac{ 0.005 \times 0.081 \times 3.2 }{ 0.09 \times 0.0025 \times 6.4 }$$

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