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