Question

calcule [ 1 – (3/8 . 2/3 : 1/3) ] + 5/2=?

Answer 1

Resposta:

11/4

Explicação passo-a-passo:

[ 1 - 6/24 : 1/3 ] + 5/2 =

[ 1 - 18 : 24 ] + 5 / 2 =

1 - 3/4 + 5/2 =

mmc = 4

(4 . 1 - 1 . 3 + 2 . 5)/4 =

(4 - 3 + 10)/4 =

(1+10)/4 =

11/4