|
1.
11 – 2 =
4
1
9
14
|
2.
20 – 1 =
2
5
24
19
|
3.
5 – 4 =
1
3
4
6
|
4.
7 – 2 =
1
3
5
9
|
|
5.
19 – 10 =
12
6
3
9
|
6.
18 – 15 =
8
4
3
6
|
7.
14 – 1 =
12
4
16
13
|
8.
14 – 3 =
11
3
7
12
|
|
9.
11 – 5 =
10
8
6
2
|
10.
1 – 1 =
0
1
5
2
|
11.
9 – 2 =
7
8
4
11
|
12.
1 – 1 =
1
0
5
3
|
|
13.
9 – 5 =
1
4
6
2
|
14.
9 – 4 =
7
5
6
4
|
15.
1 – 1 =
4
5
0
2
|
16.
2 – 1 =
2
1
5
6
|
|
17.
6 – 5 =
1
5
6
4
|
18.
1 – 1 =
3
2
0
5
|
19.
19 – 1 =
13
18
1
2
|
20.
13 – 11 =
1
2
6
5
|
|
1.
11 – 2 =
4
1
9
14
|
2.
20 – 1 =
2
5
24
19
|
3.
5 – 4 =
1
3
4
6
|
4.
7 – 2 =
1
3
5
9
|
|
5.
19 – 10 =
12
6
3
9
|
6.
18 – 15 =
8
4
3
6
|
7.
14 – 1 =
12
4
16
13
|
8.
14 – 3 =
11
3
7
12
|
|
9.
11 – 5 =
10
8
6
2
|
10.
1 – 1 =
0
1
5
2
|
11.
9 – 2 =
7
8
4
11
|
12.
1 – 1 =
1
0
5
3
|
|
13.
9 – 5 =
1
4
6
2
|
14.
9 – 4 =
7
5
6
4
|
15.
1 – 1 =
4
5
0
2
|
16.
2 – 1 =
2
1
5
6
|
|
17.
6 – 5 =
1
5
6
4
|
18.
1 – 1 =
3
2
0
5
|
19.
19 – 1 =
13
18
1
2
|
20.
13 – 11 =
1
2
6
5
|