| 1. | 14 - 8 = |
6
|
2
|
8
|
4
|
| 2. | 9 - 8 = |
7
|
4
|
1
|
8
|
| 3. | 12 - 9 = |
6
|
10
|
1
|
3
|
| 4. | 8 - 6 = |
3
|
2
|
4
|
6
|
| 5. | 15 - 10 = |
8
|
5
|
4
|
3
|
| 6. | 2 - 1 = |
1
|
6
|
9
|
5
|
| 7. | 17 - 10 = |
7
|
5
|
4
|
10
|
| 8. | 17 - 5 = |
12
|
10
|
15
|
14
|
| 9. | 9 - 1 = |
8
|
1
|
7
|
6
|
| 10. | 15 - 6 = |
9
|
2
|
10
|
1
|
| 11. | 15 - 1 = |
13
|
14
|
17
|
19
|
| 12. | 19 - 6 = |
19
|
11
|
12
|
13
|
| 1. | 14 - 8 = |
6
|
2
|
8
|
4
|
| 2. | 9 - 8 = |
7
|
4
|
1
|
8
|
| 3. | 12 - 9 = |
6
|
10
|
1
|
3
|
| 4. | 8 - 6 = |
3
|
2
|
4
|
6
|
| 5. | 15 - 10 = |
8
|
5
|
4
|
3
|
| 6. | 2 - 1 = |
1
|
6
|
9
|
5
|
| 7. | 17 - 10 = |
7
|
5
|
4
|
10
|
| 8. | 17 - 5 = |
12
|
10
|
15
|
14
|
| 9. | 9 - 1 = |
8
|
1
|
7
|
6
|
| 10. | 15 - 6 = |
9
|
2
|
10
|
1
|
| 11. | 15 - 1 = |
13
|
14
|
17
|
19
|
| 12. | 19 - 6 = |
19
|
11
|
12
|
13
|