Question

calcule as frações da A e B:

A•1/2 -(1/4-1/8)=


B• (1/2-1/4)-1/8=
​

Answer 1

Explicação passo-a-passo:

a) 1/2 - (1/4 - 1/8)

mmc = 8

4/8 - (2/8 - 1/8)

4/8 - 2/8 + 1/8 = 3/8

b) (1/2 -1/4) - 1/8

mmc = 8

(4/8 -2/8) - 1/8

2/8 - 1/8 = 1/8