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