9-7 =
2
5-2 =
3
7-4 =
3
5-1 =
4
10-2 =
8
4-2 =
2
8-1=
7
7-7 =
0
6-1 =
5
10-7 =
3
6-1 =
5
1-0 =
1
6-3 =
3
8-3 =
5
9-0 =
9
10-8 =
2
10-4 =
6
9-5 =
4
7-6 =
1
7-0 =
7