Question

Exercițiul 6.Va rog! !!!!!!!

Answer 1

$A=\left \{ -\frac{1}{2};5;-7;\frac{2}{9};-\frac{3}{8};-1,7;1,(35);0,1345;-5\frac{2}{6};-2,2(13)\right \}$

$B=\left \{ x\:|\:x \:este\:opusul\:lui\:y,y\:\in\:A\right \}$

$= > B=\left \{ \frac{1}{2}; - 5;7; - \frac{2}{9};\frac{3}{8};1,7; - 1,(35); - 0,1345;5\frac{2}{6};2,2(13)\right \}$