60 : 10 x 8 = 6 x 8 = 48
45 : 5 x 8 = 9 x 8 = 72
7 x 4 : 7 = 28 : 7 = 4
64 : 8 x 2 = 8 x 2 = 16
81 : 9 x 6 = 9 x 6 = 54
42 : 6 x 2 = 7 x 2 = 14
54 : 9 x 5 = 6 x 5 = 30
8 x 2 : 4 = 16 : 4 = 4
63 : 7 x 4 = 9 x 4 = 36
24 : 8 x 9 = 3 x 9 = 27
9 x 4 : 6 = 36 : 6 = 6
32 : 4 x 6 = 8 x 6 = 48.