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