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