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