Question

calcule:
1/2-{1/4-1/8}

Answer 1

Resposta:

3/8

Explicação passo-a-passo:

= 1/2-{1/4-1/8}

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

MMC (2,4,8)= 8

= (4.1 - 2.1 + 1.1)/8

= (4-2+1)/8

= 3/8