10+2=
12
10-2=
8
16+1=
17
23-3=
20
14+2=
16
15+3=
18
6-3=
3
24+3=
27
10-5=
5
89+1=
90
18+2=
7-1=
6
31+1=
32
23-1=
22
85+5=
25+10=
35
8-1=
7
46+3=
49
45-5=
40
90+9=
99
58+4=
12-9=
69+3=
72
107-8=
100+3=
103
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