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