Answer:
the second, fourth, fifth, and sixth
2 - (-4)
4 + (-2)
5 - (-5)
6 - (-1)
Step-by-step explanation:
- 1 + (-5) = -1 - 5 = -6
2 - (-4) = 2 + 4 = 6
-3 + 2 = -1
4 + (-2) = 4 - 2 = 2
5 - (-5) = 5 + 5 = 10
6 - (-1) = 6 + 1 = 7
