40
24
4
32
4 x 1 = 1 x 4
28
4 x 3 = 3 x 4
4 x 8 = 8 x 4
16
4 x 4
12
4 x 7 = 7 x 4
4 x 2 = 2 x 4
8
4 x 5 = 5 x 4
20
36
4 x 9 = 9 x 4
4 x 6 = 6 x 4
4 x 10 = 10 x 4
