40 + 3=
4 + 9 =
29+ 1 =
6 + 7=
5 + 9 =
7 + 8 =
9 + 1=
12 + 20=
8 + 4=
3 +12 =
14 - 2=
13
30
14
43
15
32
12
10
30 + 2 =
