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