Question

Calcule:


A) (4/5+2/3).(8/3-1/4)

B) 4/9.3/5:8/5:3/2
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Answer 1

Oi...

Resolução:

a)

(4/5 + 2/3) × (8/3 - 1/4)

(12 + 10/15) × (32 - 3/12)

22/15 × 29/12

11/15 × 29/6

319/90

b)

4/9 × 3/5 ÷ 8/5 ÷ 3/2

4/9 × 3/5 × 5/8 × 2/3

1/9 × 1/2 × 2

1/9

Bons estudos.

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