6 : 3 =
19 + 10 =
12 + 0 =
0 : 786 =
19 + 7 =
10 : 10 =
15 . 2 =
15 - 12 =
23 . 0 =
6 - 4 =
25 - 18 =
2 . 13 =
10 - 0 =
18 - 2 =
21 - 18 =
15 - 11 =
0 : 627 =
18 - 7 =
1 : 1 =
7 - 1 =