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