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