Question

cuanto es [(-13-14)-(-9-12)]+(-6)

Answer 1

[(-27)-(-21)]+(-6)
[-27+21]+(-6)
[-6]-6
-12

Answer 2

[(-13-14)-(-9-12)]+(-6)

[-27-(-21)]-6

[-27+21]-6

-6-6 = -12 ----> Resultado

Saludos desde Venezuela