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