Question

A EXPRESSÃO {[(2/5 + 1/4 +8/3) : (1/12 x 1/5)]}+1,equivale a : a)190 b)200 c)210 d)220

Answer 1

Resposta:

{[(2/5 + 1/4 + 8/3) ÷ (1/12.1/5)]} + 1 =

{[(13/20 + 8/3) ÷ (1/60)]} + 1 =

{[199/60 ÷ 1/60]} + 1 =

{[199/60.60/1]} + 1 =

199 + 1 =

200

Letra B.