| 1. | 12 - 8 = |
2
|
6
|
4
|
7
|
| 2. | 15 - 8 = |
2
|
1
|
3
|
7
|
| 3. | 13 - 3 = |
10
|
3
|
8
|
4
|
| 4. | 14 - 2 = |
10
|
12
|
14
|
19
|
| 5. | 9 - 2 = |
7
|
8
|
9
|
4
|
| 6. | 14 - 9 = |
5
|
8
|
7
|
4
|
| 7. | 12 - 9 = |
2
|
7
|
3
|
4
|
| 8. | 5 - 2 = |
3
|
6
|
7
|
10
|
| 9. | 9 - 1 = |
2
|
8
|
9
|
10
|
| 10. | 15 - 2 = |
20
|
10
|
13
|
12
|
| 11. | 15 - 14 = |
5
|
1
|
9
|
4
|
| 12. | 13 - 11 = |
1
|
3
|
5
|
2
|
| 1. | 12 - 8 = |
2
|
6
|
4
|
7
|
| 2. | 15 - 8 = |
2
|
1
|
3
|
7
|
| 3. | 13 - 3 = |
10
|
3
|
8
|
4
|
| 4. | 14 - 2 = |
10
|
12
|
14
|
19
|
| 5. | 9 - 2 = |
7
|
8
|
9
|
4
|
| 6. | 14 - 9 = |
5
|
8
|
7
|
4
|
| 7. | 12 - 9 = |
2
|
7
|
3
|
4
|
| 8. | 5 - 2 = |
3
|
6
|
7
|
10
|
| 9. | 9 - 1 = |
2
|
8
|
9
|
10
|
| 10. | 15 - 2 = |
20
|
10
|
13
|
12
|
| 11. | 15 - 14 = |
5
|
1
|
9
|
4
|
| 12. | 13 - 11 = |
1
|
3
|
5
|
2
|