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