Question

e) (3-15)-(5-18)+(15-26+3)-(-8+13-50)

Answer 1

(3-15)-(5-18)+(15-26+3)-(-8+13-50) =
(-12) - ( - 13) + (-8) - ( - 45) =
-12 + 13 - 8 + 45 =
- 20 + 58 =
38

Um abraço.

Answer 2

| arrumando |
(3-15)-(5-18)+(15-26+3)-(-8+13-50 =
(-12) - (- 13 ) + (-8) - ( - 45 ) =
-12 + 13 - 8 + 45 =
-20 + 58 =
38