Răspuns :
Răspuns:
[tex]x = - 5 \\ \\ y = 2 \\ \\ a) \: - ( - 5 + 2) = - ( - 3) = 3 \\ \\ b) \: ( - 5) \times 2 = - 10 \\ \\ c) \: - \frac{5}{2} \\ \\ d) \: ( - 5)^{2} = ( - 5) \times ( - 5) = 25[/tex]
Răspuns:
[tex]x = - 5 \\ \\ y = 2 \\ \\ a) \: - ( - 5 + 2) = - ( - 3) = 3 \\ \\ b) \: ( - 5) \times 2 = - 10 \\ \\ c) \: - \frac{5}{2} \\ \\ d) \: ( - 5)^{2} = ( - 5) \times ( - 5) = 25[/tex]