1) 3 - 10 = -7
2) -3 - 10= -13
3) 7 - 15 = -8
4) -8 - 3= -11
5) -8 + 3 -5
6) 1 - 3 = -2
7) -1 - 3 = -4
8) -1 + 3 = 2
9) -10 + 0 = -10
1) 3 - 10 = -7
2) -3 - 10= -13
3) 7 - 15 = -8
4) -8 - 3= -11
5) -8 + 3 -5
6) 1 - 3 = -2
7) -1 - 3 = -4
8) -1 + 3 = 2
9) -10 + 0 = -10