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