2 • 2 =
4 • 2 =
3 • 3 =
7 • 3 =
9 • 3 =
3 • 4 =
5 • 4 =
7 • 4 =
8 • 4 =
2 • 5 =
3 • 5 =
5 • 5 =
6 • 5 =
8 • 5 =
9 • 5 =
10 • 5 =
3 • 6 =
4 • 6 =
6 • 6 =
9 • 6 =
2 • 7 =
5 • 7 =
9 • 7 =
8 • 8 =
4
8
9
21
27
12
20
28
32
10
15
25
30
40
45
50
18
24
36
54
14
35
63
64