Question

calcule....[(1/2+1/3)+1/4-(1-5/8)]+2/3

Answer 1

Resolução

{(1/2+1/3)+1/4-(1-5/8)}+2/3

{(3/6 + 2/6)+1/4-(8/8 - 5/8)}+2/3

{5/6 + 1/4 - 3/8} + 2/3

{ 20/24 + 6/24 - 9/24 + 2/3 }

20/24 + 6/24 - 9/24 + 16/24 = 33/24 = 11/8