Question

(-3-4)²:(-49)+[20-(10-9)²+(-2)³+ ​

Answer 1

Resposta:

(-3-4)²:(-49)+[20-(10-9)²+(-2)³

$(-7)^{2} :(-49)+20-(1)\beta ^{2} +(-8)=\\ \\ \frac{49}{-49} +19-8=\\ \\ -1+19-8=10$