1 - suprimir parentesis y resolver?
1 - suprimir parentesis y resolver. A) - ( + 5) + ( - 4) - ( + 3) + ( + 5) - ( - 9) - ( + 8) = b) - 2 - (2 - 7 - 8) + ( - 7 + 3) - ( - 5) = c) - ( + 5) - 9 - ( - 1) - 6 + 9 - 2 + 3 - 7 = d) + 8 - ( - 6) + ( - 4 + 2) - 8 - 6 + ( - 10) = e) + (12) + 5 - (8 - 6) - ( - 7) + 11 =.