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