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