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