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