Answer:

12 + (-3) + 5-(-2)

12-3 + 5 +2

9+7

16 answer

iii) -15 - (-2) - 71 - 8 +6

-15+2-71-8+6

-86 answer

Answer:

i) 12 + (-3) + 5 - (-2)

12 - 3 + 5 + 2

13 - 10

= 3

ii) -15 - (-2) - 71 - 8 + 6

-15 + 2 - 71 - 8 + 6

-13 - 79 + 6

- 92 + 6

= - 86