|
1.
19 – 0 =
22
19
|
2.
20 – 4 =
1
16
|
3.
19 – 11 =
1
8
|
4.
12 – 12 =
0
3
|
|
5.
4 – 3 =
2
1
|
6.
1 – 1 =
5
0
|
7.
1 – 1 =
4
0
|
8.
19 – 10 =
12
9
|
|
9.
2 – 2 =
0
5
|
10.
10 – 6 =
4
6
|
11.
2 – 1 =
4
1
|
12.
3 – 3 =
0
2
|
|
13.
3 – 2 =
3
1
|
14.
7 – 5 =
6
2
|
15.
17 – 0 =
17
4
|
16.
3 – 1 =
7
2
|
|
17.
10 – 9 =
1
3
|
18.
11 – 6 =
5
9
|
19.
14 – 1 =
13
12
|
20.
9 – 0 =
14
9
|
|
1.
19 – 0 =
22
19
|
2.
20 – 4 =
1
16
|
3.
19 – 11 =
1
8
|
4.
12 – 12 =
0
3
|
|
5.
4 – 3 =
2
1
|
6.
1 – 1 =
5
0
|
7.
1 – 1 =
4
0
|
8.
19 – 10 =
12
9
|
|
9.
2 – 2 =
0
5
|
10.
10 – 6 =
4
6
|
11.
2 – 1 =
4
1
|
12.
3 – 3 =
0
2
|
|
13.
3 – 2 =
3
1
|
14.
7 – 5 =
6
2
|
15.
17 – 0 =
17
4
|
16.
3 – 1 =
7
2
|
|
17.
10 – 9 =
1
3
|
18.
11 – 6 =
5
9
|
19.
14 – 1 =
13
12
|
20.
9 – 0 =
14
9
|