2+2=
5-0=
5
23+17=
40
28-19=
9
1+3=
4
9-4=
30+20=
50
40-20=
20
10+10=
12-2=
10
37+44=
81
85-26=
59
22+44
66
34-11=
23
55+60=
115
26
56+22=
78
65-24
41
78+56=
134
50-42=
8
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