Question

calcule o valor de cada expressao:
(-19+31-24)+(-30+45-13)

Answer 1

(-19+31-24)+(-30+45-13)
( - 12 ) + ( 2)
    - 12 + 2
  - 10

Answer 2

(- 19 + 31 - 24) + (- 30 + 45 - 13)
- 12 + 2
- 10