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