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