1 + 5 + ( - 2) - ( - 3) =2 + ( - 2) - 1 + ( - 6) =5 - 8 + ( - 2) + ( - 1) =8 + ( - 1) - 9 + ( - 5) =7 - 6 + ( - 8) + 9 =9 + ( - 8) - 9 + ( - 8) =6 + 9 - ( - 4) + ( - 1) =5 - 3 + ( - 7) + ( - 6) =4 + (?
1 + 5 + ( - 2) - ( - 3) = 2 + ( - 2) - 1 + ( - 6) = 5 - 8 + ( - 2) + ( - 1) = 8 + ( - 1) - 9 + ( - 5) = 7 - 6 + ( - 8) + 9 = 9 + ( - 8) - 9 + ( - 8) = 6 + 9 - ( - 4) + ( - 1) = 5 - 3 + ( - 7) + ( - 6) = 4 + ( - 1) + 4 + ( - 2) = 2 + ( - 9) - ( - 2) - 8 = - 27 + ( - 7) = - 35 + ( - 30) = ayuda con los problemas.