15 : 5 =	35 : 5 =
3 : 3 =	45 : 5 =
5 : 1 =	16 : 4 =
21 : 7 =	8 : 2 =
25 : 5 =	18 : 9 =
20 : 4 =	4 : 2 =
45 : 5 =	16 : 8 =
18 : 3 =	20 : 5 =
16 : 4 =	6 : 3 =
12 : 4 =	24 : 4 =
20 : 5 =	32 : 8 =
20 : 5 =	6 : 2 =
40 : 8 =	24 : 4 =
24 : 4 =	9 : 3 =