2+1
28 - 8 =
8 + 7 =
20 + 5 =
16 - 4 =
29 - 19 =
22 + 5 =
20 + 10 =
18 + 5 =
5 + 6 =
25 + 8 =
10
25
3
33
30
15
20
11
23
27
12
