Question

Elimine os parênteses e calcule:
A) -8+(-6)-(+3)
B)5-6-(+7)+1
C) -28+7+(+12)+(-1)-6
D) 10-(-8)+(-9)-(-12)-6+5

Answer 1

A) -8-6-3= -17

B) 5-6-7+1= -7

C) -28+7+12-1-6= -16

D) 10+8-9+12-6+5= 20