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