Question

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31 .7 -31/4-35

Answer 1

\(\frac{31\cdot7-31}{4-35}=\frac{31\cdot(7-1)}{4-35}=\frac{31\cdot6}{4-35}=\frac{31\cdot2\cdot3}{4-35}=\frac{186}{-31}=-6\)

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Answer 2

\(\frac{31.7-31}{4-35}=\frac{31.\left(7-1\right)}{-31}=\frac{31.6}{-31}=\frac{1.6}{-1}=\frac{6}{-1}=-6\)