| 1. | 19 - 19 = |
0
|
8
|
5
|
9
|
| 2. | 12 - 7 = |
8
|
6
|
2
|
5
|
| 3. | 17 - 15 = |
10
|
4
|
2
|
6
|
| 4. | 11 - 4 = |
7
|
9
|
5
|
1
|
| 5. | 19 - 11 = |
3
|
1
|
8
|
7
|
| 6. | 15 - 10 = |
10
|
8
|
5
|
9
|
| 7. | 20 - 8 = |
16
|
12
|
11
|
19
|
| 8. | 19 - 10 = |
10
|
8
|
9
|
3
|
| 9. | 15 - 8 = |
7
|
5
|
10
|
1
|
| 10. | 16 - 15 = |
4
|
1
|
9
|
6
|
| 11. | 20 - 19 = |
4
|
3
|
1
|
6
|
| 12. | 13 - 10 = |
1
|
3
|
9
|
4
|
| 1. | 19 - 19 = |
0
|
8
|
5
|
9
|
| 2. | 12 - 7 = |
8
|
6
|
2
|
5
|
| 3. | 17 - 15 = |
10
|
4
|
2
|
6
|
| 4. | 11 - 4 = |
7
|
9
|
5
|
1
|
| 5. | 19 - 11 = |
3
|
1
|
8
|
7
|
| 6. | 15 - 10 = |
10
|
8
|
5
|
9
|
| 7. | 20 - 8 = |
16
|
12
|
11
|
19
|
| 8. | 19 - 10 = |
10
|
8
|
9
|
3
|
| 9. | 15 - 8 = |
7
|
5
|
10
|
1
|
| 10. | 16 - 15 = |
4
|
1
|
9
|
6
|
| 11. | 20 - 19 = |
4
|
3
|
1
|
6
|
| 12. | 13 - 10 = |
1
|
3
|
9
|
4
|