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