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