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