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