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