Question

-9(-2+4-1)+[5(-9-3+12)-8(-7)]=

Answer 1

Respuesta:

$47$

Explicación paso a paso:

$-9\left(-2+4-1\right)+\left[5\left(-9-3+12\right)-8\left(-7\right)\right]\\\\-9\cdot \:1+\left[5\left(-9-3+12\right)-8\left(-7\right)\right]\\\\-9\cdot \:1+56\\\\-9+56\\\\47$

Answer 2

1)-9+1+[5-8-7]
2)-9+1-10

3)-18