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