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