3+7 =
10
3-1=
10+11=
21
13-4=
9
2+6=
8
5-2=
3
14+12=
26
24-13=
11
6+7=
13
8-7=
1
21+16=
37
31-19=
12
8+4=
9-3=
6
32+29=
61
42-18=
24
9+9=
18
9-4=
5
49+28=
77
50-17=
33
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