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