Question

opusul nr 5supra2 pllsss dau funda

Answer 1

opusul:
-$\frac{5}{2}$

(A nu se confunda cu inversul, care ar fi 2 supra 5)

Answer 2

Opusul este:
$- \frac{5}{2}$
Nu putem face:
$\frac{2}{5}$