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