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