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