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