57+26
83
73-28
45
65-58
7
9+9
18
9-3
6
52+30
82
15-_=8
32+26
58
9+6
15
8-5
37+16
53
41-13
28
47-41
7+9
16
6-3
3
35+16
51
46-29
17
16+_=32
8+4
12
9-5
4
18+13
31
37-26
11
_-9=17
26
9+8
10-2
8
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