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