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