1.
2 – 1 =
1
5
|
2.
9 – 9 =
5
0
|
3.
9 – 7 =
2
4
|
4.
6 – 0 =
2
6
|
5.
1 – 0 =
1
3
|
6.
2 – 2 =
0
5
|
7.
2 – 0 =
2
6
|
8.
3 – 2 =
3
1
|
9.
3 – 2 =
2
1
|
10.
11 – 5 =
4
6
|
11.
11 – 6 =
4
5
|
12.
2 – 2 =
3
0
|
13.
5 – 0 =
5
4
|
14.
8 – 2 =
6
3
|
15.
7 – 1 =
7
6
|
16.
5 – 4 =
1
6
|
17.
4 – 2 =
2
1
|
18.
7 – 0 =
7
11
|
19.
5 – 4 =
3
1
|
20.
9 – 7 =
7
2
|
1.
2 – 1 =
1
5
|
2.
9 – 9 =
5
0
|
3.
9 – 7 =
2
4
|
4.
6 – 0 =
2
6
|
5.
1 – 0 =
1
3
|
6.
2 – 2 =
0
5
|
7.
2 – 0 =
2
6
|
8.
3 – 2 =
3
1
|
9.
3 – 2 =
2
1
|
10.
11 – 5 =
4
6
|
11.
11 – 6 =
4
5
|
12.
2 – 2 =
3
0
|
13.
5 – 0 =
5
4
|
14.
8 – 2 =
6
3
|
15.
7 – 1 =
7
6
|
16.
5 – 4 =
1
6
|
17.
4 – 2 =
2
1
|
18.
7 – 0 =
7
11
|
19.
5 – 4 =
3
1
|
20.
9 – 7 =
7
2
|