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