Question

resolva as expressões
-3+[(+4):(-2)+5]-(-3)2=​

Answer 1

Resposta:

$-3+[(+4):(-2)+5]-(-3)^{2}$

$-3+(-2+5)-(-3)^{2}$

$-3+3-(-3)^{2}$

$0-(-3)^{2}$

$9$