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