00:00:00
5
- 13 - 8 =
11
- 5 + 6 =
7
- 35 : 5 =
4
- 24 : 6 =
16
- 9 + 7 =
6
- 54 : 9 =
20
- 2 x 10 =
8
- 15 - 7 =
7
- 11 - 4 =