Example

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

Question

$$\frac { 22 } { 25 } \times \frac { 25 } { 28 } \times \frac { 35 } { 36 }$$

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