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