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