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