2+2=
4
9-1=
8
13+4=
17
29-7=
2
2X3=
6
3+2=
5
8-5=
3
14+5=
19
38-5=
3X3=
9
4+3=
7
9-2
15+6=
21
45-4=
41
4X1=
5+4=
7-4=
16+7=
23
54-6=
48
4X2=
6+7=
13
8-6=
17+8=
25
62-7=
55
5X2=
10
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