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