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