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