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