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