Erafsommen tot en met 20 (meerkeuze)
Erafsommen
| 1. | 13 - 5 = |
8
|
10
|
9
|
1
|
| 2. | 15 - 9 = |
6
|
5
|
1
|
7
|
| 3. | 18 - 15 = |
7
|
5
|
3
|
6
|
| 4. | 14 - 11 = |
3
|
6
|
10
|
8
|
| 5. | 20 - 16 = |
7
|
4
|
3
|
6
|
| 6. | 12 - 1 = |
16
|
11
|
10
|
14
|
| 7. | 16 - 15 = |
5
|
1
|
3
|
8
|
| 8. | 19 - 10 = |
10
|
2
|
9
|
6
|
| 9. | 15 - 5 = |
3
|
5
|
10
|
7
|
| 10. | 10 - 3 = |
9
|
10
|
7
|
3
|
| 11. | 12 - 5 = |
9
|
7
|
8
|
3
|
| 12. | 13 - 9 = |
5
|
4
|
6
|
2
|