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