Erafsommen t/m 12
Aftrekken
| 1. | 7 - 4 = |
4
|
3
|
9
|
1
|
| 2. | 5 - 1 = |
8
|
4
|
10
|
3
|
| 3. | 6 - 5 = |
1
|
6
|
9
|
4
|
| 4. | 4 - 1 = |
10
|
2
|
8
|
3
|
| 5. | 10 - 10 = |
0
|
3
|
9
|
6
|
| 6. | 9 - 5 = |
9
|
2
|
4
|
7
|
| 7. | 5 - 1 = |
7
|
4
|
10
|
5
|
| 8. | 6 - 1 = |
10
|
1
|
4
|
5
|
| 9. | 5 - 2 = |
3
|
7
|
5
|
2
|
| 10. | 11 - 6 = |
9
|
5
|
6
|
4
|
| 11. | 10 - 10 = |
9
|
0
|
1
|
5
|
| 12. | 12 - 12 = |
10
|
9
|
0
|
5
|