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