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