| 1. | 9 - 8 = |
8
|
7
|
1
|
5
|
| 2. | 12 - 1 = |
14
|
13
|
11
|
10
|
| 3. | 15 - 4 = |
15
|
11
|
17
|
13
|
| 4. | 14 - 5 = |
5
|
8
|
4
|
9
|
| 5. | 15 - 7 = |
6
|
8
|
2
|
10
|
| 6. | 13 - 8 = |
9
|
1
|
5
|
10
|
| 7. | 14 - 14 = |
8
|
4
|
0
|
9
|
| 8. | 9 - 2 = |
7
|
6
|
4
|
10
|
| 9. | 6 - 2 = |
4
|
10
|
9
|
7
|
| 10. | 14 - 12 = |
2
|
10
|
1
|
5
|
| 11. | 8 - 2 = |
6
|
10
|
7
|
8
|
| 12. | 15 - 14 = |
5
|
3
|
9
|
1
|
| 1. | 9 - 8 = |
8
|
7
|
1
|
5
|
| 2. | 12 - 1 = |
14
|
13
|
11
|
10
|
| 3. | 15 - 4 = |
15
|
11
|
17
|
13
|
| 4. | 14 - 5 = |
5
|
8
|
4
|
9
|
| 5. | 15 - 7 = |
6
|
8
|
2
|
10
|
| 6. | 13 - 8 = |
9
|
1
|
5
|
10
|
| 7. | 14 - 14 = |
8
|
4
|
0
|
9
|
| 8. | 9 - 2 = |
7
|
6
|
4
|
10
|
| 9. | 6 - 2 = |
4
|
10
|
9
|
7
|
| 10. | 14 - 12 = |
2
|
10
|
1
|
5
|
| 11. | 8 - 2 = |
6
|
10
|
7
|
8
|
| 12. | 15 - 14 = |
5
|
3
|
9
|
1
|