+
-3 - 9
-12
15 + (-8)
7
7 - 9
-2
-8 + 22
14
-30 + 17
-13
-25 + 17
-8
-76 - 12
-88
78 - 98
-20
54 - 28 + 90
116
-16 + 22
6
-15 - 10 - 20
-45
20 - 60 + 80
40
-15 - 45 - 15
-75
-20 + 100 - 20
100
-90 + 72 - 15
-33
-8 - 15 + 4
-19
25 + (-40) - 15
-30
-100 + 56 - 46
-90
-54 - 6 + 10
-50
-7 - (-2) - 13
-18
-2 1/2 + 3 1/4
3/4
-8 3/4 - 2 1/8
- 10 7/8
-8.7 + 15.9
7.2
-524 + 620 + 20
116
-9 1/4 + 6 3/4
-2 1/2