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