+ + -
0 + (-5)
-5
-100 + -100
-200
-50 - (-50)
0
1/4 + -1/8
1/8
-3
-9
-58 + (-12)
-70
- 52 - -11
-41
2/5 + -4/20
4/20
-4
21 + (-51)
-30
-82 + -16
-98
-78 - -106
28
1+-1/2
1/2
-2.20 + -0.23
-2.43
38 + -258
-220
-34 + -612
-646
-789 - - 22
-767
5 1/2 + -1/2
5
-4.39 + -2.10
-6.49
670 + (-573)
97
-50 - 254
-304
-546 - - 567
5 1/5 + -5/10
4 7/10
-3.459 + -3.240
-6.899