Respostas

2013-09-03T00:03:22-03:00
Calcule;
A)(-3)²+6²= 9 + 36 = 45
B)3²+(-5)² = 9 + 25 = 34
C)(-2)³-(-1)³= 8 - (-1) = - 8 + 1 = -7