18 : 2 =	2 : 2 =
36 : 9 =	10 : 2 =
14 : 7 =	4 : 2 =
4 : 1 =	30 : 5 =
35 : 5 =	25 : 5 =
20 : 4 =	8 : 2 =
20 : 5 =	24 : 6 =
14 : 2 =	40 : 8 =
25 : 5 =	45 : 9 =
6 : 3 =	28 : 4 =
4 : 2 =	4 : 4 =
12 : 4 =	5 : 1 =
30 : 6 =	16 : 4 =
10 : 5 =	8 : 2 =