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