Question

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Answer 1

$2 - \frac{9}{4} - \frac{2}{3} \\ mmc = 12 \\ \frac{24 - 27 - 8}{12} \\ - \frac{11}{12}$

Answer 2

Explicação passo-a-passo:

4/2 =2

9/4=2.25

4/6=0.66....

5/4=1.25

10/8=1.25

3/1=3