1
0 + 0 =
0
15 + 15 =
30
5 + 5 =
10
10 + 10 =
20
20 + 20 =
40
1 + 1 =
2
16 + 16 =
32
6 + 6 =
12
11 + 11 =
22
3 + 3 =
6
2 + 2 =
4
17 + 17 =
34
7 + 7 =
14
12 + 12 =
24
16 + 15 =
31
3 + 3 =
6
18 + 18 =
36
8 + 8 =
16
13 + 13 =
26
7 + 6 =
13
4 + 4 =
8
19 + 19 =
38
9 + 9 =
18
14 + 14 =
28
4 + 5 =