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