Question

Calcule: Me ajude por favor

A) 3/4:2/5:10/8:6/5


B) (3/2.4/3)+(4/5:3/2)​

Answer 1

Oi...

Resolução:

a)

3/4 ÷ 2/5 ÷ 10/8 ÷ 6/5

3/4 × 5/2 × 8/10 × 5/6

1/2 × 2/2 × 5/2

1/2 × 1 × 5/2

1/2 × 5/2

5/4

b)

(3/2 . 4/3) + (4/5 ÷ 3/2)

2 + (4/5 × 2/3)

2 + 8/15 ⇒mmc = 15

30 + 8/15

38/15

Bons estudos,