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