2+5
7
8+9
17
22+25
47
8+8
16
9-5
4
10-5
5
10+12
22
21+22
43
8-2
6
8X8
64
35+29
21+26
16+24
40
33+35
68
25+89
114
28-15
13
121-50
71
96-75
21
23+77
100
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