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