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