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