Question

cuanto es -9(-2+4-1)+[5(-9-3+12)-8(-7)] ​

Answer 1

HoLa!▪•▪

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

=−9(2−1)+5(−9−3+12)−(8)(−7)

=(−9)(1)+5(−9−3+12)−(8)(−7)

=−9+5(−9−3+12)−(8)(−7)

=−9+5(−12+12)−(8)(−7)

=−9+(5)(0)−(8)(−7)

=−9+0−(8)(−7)

=−9+0−(−56)

=−9+56

=47

Resultado:47