30 : 5 =	18 : 2 =
24 : 8 =	15 : 3 =
12 : 2 =	5 : 1 =
6 : 3 =	9 : 3 =
24 : 8 =	2 : 2 =
27 : 9 =	25 : 5 =
28 : 7 =	24 : 3 =
16 : 8 =	15 : 5 =
12 : 3 =	12 : 4 =
10 : 2 =	2 : 2 =
4 : 2 =	8 : 4 =
15 : 5 =	18 : 3 =
8 : 4 =	5 : 5 =
21 : 7 =	2 : 1 =