28 - 23 =
10 . 0 =
22 . 1 =
24 - 10 =
1 + 1 =
28 - 14 =
22 . 0 =
26 . 1 =
5 - 3 =
23 : 23 =
21 + 7 =
18 + 4 =
10 - 9 =
13 + 6 =
11 : 11 =
3 : 1 =
22 : 2 =
16 : 1 =
30 + 0 =
0 : 622 =