Question

ajutati ma, va rog din suflet

Answer 1

(1-5pe3)=3pe3-5pe3=-2pe3
-2pe3totul la puterea a doua =1

Answer 2

$(\frac{6}{3} - \frac{5}{3} ) {}^{2} \times \frac{3}{2} \\ (\frac{1}{3} ) {}^{2} \times \frac{3}{2} \\ \frac{1}{6} \times \frac{3}{2} \\ = \frac{3}{12} {}^{(3} = \frac{1}{4}$
Sper ca te-am ajutat!!!