Respuesta :

Answer:

a. 7

b. 0

c. 4

d. 15

Step-by-step explanation:

the negative numbers in the absolute value get changed to positive.

Step-by-step explanation:

1) 3 + 4 = 7

2) 6 - 6 = 0

3) 1 + 3 = 4

4) 6 + 9 = 15

5) 10 - 14 + 2 = -2

6) 2 + 3 - 5 = 0