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