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