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