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