12 : 3 =
27 : 3 =
14 : 2 =
16 : 2 =
6 : 3 =
15 : 3 =
0 : 5 =
0 : 10 =
8 : 2 =
18 : 3 =
21 : 3 =
18 : 2 =
0 : 4 =