20+20-10 =
30
16+12 =
28
23+21 =
44
22+22-11=
33
36-21+1
16
5+2+2=
9
18+11 =
29
26+13 =
39
18-15 =
3
9-3+2 =
8
10+10+6 =
26
15+12+11 =
38
4+5-4 =
5
12+12
24
10+20+8-2=
36
37-22 =
15
6+3-2 =
7
5+4-3 =
6
26-11=
15