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