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