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