Question

calcular a expressão [3/4x(2-3/4)]:[2/5x(4+1/2)]

Answer 1

Vamos la

[ (3/4) * (2-3/4)]:[(2/5) * (4+1/2)]

passo a passo

2 - 3/4 = 8/4 - 3/4 = 5/4

4 + 1/2 = 9/2

(3/4)*(5/4) = 15/16

(2/5)*9/2) = 9/5

(15/16)/(9/5) = (15/16)*(5/9) = 75/144 = 25/48