Question

3) Determinar o valor
(2-3sobre5):(1 +2 sobre 3 ) + (- 1 - 1 sobe 2)² =​

Answer 1

Resposta:

( $\frac{2-3}{5}$ ) : ( $\frac{1+2}{3}$ ) + ( $\frac{-1-1}{2}$ )²

$\frac{-1}{5}$ : $\frac{3}{3}$ + ( $\frac{-2}{2}$ )²

$\frac{-1}{5}$ : 1 + (-1)²

$\frac{-1}{5}$ + (-1)²

$\frac{-1}{5}$ + 1

$\frac{4}{5}$