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