Multiply by
2
2
1x2
2
4x3
12
1x4
4
2x5
10
2x6
12
10x7
70
5x8
40
4x9
36
2x10
20
4x2
8
11x3
33
3x4
12
9x5
45
11x6
66
1x7
7
3x8
24
10x9
90
7x10
70
8x2
16
3x3
9
10x4
40
1x5
5
1x6
6
3x7
21
8x8
64
1x9
9
1x10
10
7x2
14
9x3
27
4x4
16
7x5
35
9x6
54
11x7
77
1x8
8
9x9
81
5x10
50
5x2
10
5x3
15
11x4
44
10x5
50
5x6
30
5x7
35
4x8
32
7x9
63
10x10
100