20 : 4 =

28 : 4 =

36 : 4 =

32 : 4 =

80 : 8 =

48 : 8 =

6 : 1 =

1 : 1 =

63 : 9 =

21 : 7 =

24 : 6 =

42 : 6 =

40 : 5 =

8 : 8 =

30 : 6 =

7 : 7 =

60 : 6 =

9 : 9 =

42 : 7 =

56 : 7 =

30 : 3 =

56 : 8 =

64 : 8 =

40 : 4 =

0 : 4 =

72 : 8 =

0 : 5 =

54 : 6 =

72 : 9 =

63 : 7 =

35 : 7 =

81 : 9 =

32 : 8 =

40 : 8 =

50 : 5 =

36 : 9 =

49 : 7 =

45 : 9 =

70 : 7 =

48 : 6 =