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