Question

quanto da 2/5:1/2-3/2.1/5+1/8

Answer 1

Oi!!!!

2/5 ÷ 1/2 - 3/2 × 1/5 + 1/8

2/5 × 2/1 - 3/10 + 1/8

4/5 - 3/10 +1/8 ⇒mmc de (5.10,8) = 40

32 - 12 + 5/40

25/40 ÷ 5

5/8

Resposta: 5/8

Bons estudos.