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