Question

Calcule o valor da expressão :

$( \frac{4}{5} + \frac{3}{5} ) - (1 - \frac{1}{4} )$

Answer 1

Olá,

4/5+3/5 = (4+3)/5 = 7/5
1-1/4 = (4-1)/4 = 3/4

(7/5)-(3/4) = (28-15)/20 = 13/20

Resposta:

13/20