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