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