Erafsommen t/m 15 (meerkeuze)
Aftrekken
| 1. | 12 - 3 = |
4
|
7
|
9
|
10
|
| 2. | 11 - 9 = |
6
|
2
|
8
|
5
|
| 3. | 12 - 11 = |
5
|
1
|
6
|
7
|
| 4. | 13 - 11 = |
7
|
2
|
6
|
4
|
| 5. | 13 - 12 = |
4
|
1
|
3
|
8
|
| 6. | 15 - 1 = |
19
|
16
|
14
|
11
|
| 7. | 11 - 4 = |
7
|
3
|
2
|
1
|
| 8. | 11 - 6 = |
6
|
3
|
5
|
7
|
| 9. | 14 - 4 = |
9
|
6
|
10
|
1
|
| 10. | 13 - 4 = |
9
|
4
|
7
|
1
|
| 11. | 13 - 10 = |
2
|
3
|
4
|
10
|
| 12. | 15 - 4 = |
18
|
10
|
16
|
11
|