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