Question

ii) (+12) +(-9)
iii) (-25) -(-42)
iv) (-31) + (+11)​

Answer 1

Answer:

1. 12 - 9

= 3.

2. -25 + 42

= 17.

3. -31 + 11

-20.

Please mark it as the brainliest one!!

Answer 2

Answer:

ii) 3..

iii) 17..

iv) -20....