Question

-125-(27-(-26))+(-37+12)

8-13+(16-25)-(52-19+17)

-16+(-7)-(38-17)-(-15-19)

26-(9-18-6)-(-12)-(15-9)-12

procedimiento:

Answer 1

1) -125-(-27+26)-25
  =-125+1-25
  =-125-24
  =-149

2) -5-9-(33+17)
  =-14-50
  =-64

3) -16-7-21+34
  =-23+13
  =-10

4) 26-(-9-6)+12-6-12
  =26+15+6-12
  =41-6
  =35