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