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