10+5
15
12-7
5
16+11
27
19-13
6
14+11
25
27 + 11
38
21-13
8
28+28
56
29-14
25+19
44
36+23
59
30-27
3
35+9
32-11
21
33+12
45
48+27
75
49-22
40+21
61
49-26
23
53+47
100
87-36
51
56+37
93
95-14
81
34+65
99