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