9+9=
18
6-3=
3
30+27=
57
16-13=
8+7=
15
8-6=
2
62+37=
99
8-4=
4
12+6=
18-4=
14
15+13=
28
18-12=
6
20+13=
33
20-12=
8
72+6
78
57-25=
32
16+12=
25-15=
10
30+50=
80
95-62=
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