Question

6/7 + (1/2 - 2/5 ) × 5

Answer 1

6/7+(1/2 + 5/2) x 5

6/7+6/2 x 5

7/6+2/6 x 5

9/6 x 5

3/2 x 5

15/2

Answer 2

Oi

6/7 + (1/2 - 2/5) × 5

6/7 + (5 - 4/10) × 5

6/7 + 1/10 × 5

6/7 + 1/2==>mmc =7.2 =14

12 + 7/14

19/14

Resposta: 19/14

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