Question

помогите 29 балов даю​

Answer 1

$1)-42+54+(-13)+(-26)+32 = 12-13-26+32 = -1-26+32 = -27+32 = 5 \\ 2)4+(-3)-(-2) = 1-\left(-2\right) = 1+2 = 3 \\ 3)8+(-13)-(-11)-(-7)+42 = -5-\left(-11\right)-\left(-7\right)+42 = -5+11-\left(-7\right)+42 = 6-\left(-7\right)+42 = 6+7+42 = 13+42 = 55$

Answer 2

Ответ:

1) -42+54+(-13)+(-26)+32=

-42+54-13-26+32=5

2)4+(-3)-(-2)=

4-3+2=3

3) 8+(-13)-(-11)-(-7)-42

8-13+11+7-42=-29