Question

HELP

1) CALCULE:

A-
$- 7 - ( - 3) \times ( + 2) {}^{2} + 3 \times (- 5) + 2$

B-
$2 {}^{0} + 49 \div ( - 7) + 8 - 3 \times ( - 4)$

Answer 1

acho que a=-10 e b=28