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