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