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