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