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