Erafsommen tot en met 20 (meerkeuze)
Erafsommen
| 1. | 13 - 8 = |
3
|
5
|
6
|
2
|
| 2. | 13 - 3 = |
4
|
5
|
8
|
10
|
| 3. | 11 - 5 = |
3
|
6
|
10
|
4
|
| 4. | 16 - 8 = |
8
|
7
|
5
|
2
|
| 5. | 16 - 11 = |
5
|
6
|
9
|
2
|
| 6. | 19 - 18 = |
5
|
1
|
2
|
7
|
| 7. | 12 - 4 = |
3
|
8
|
5
|
2
|
| 8. | 19 - 6 = |
10
|
13
|
20
|
14
|
| 9. | 20 - 8 = |
16
|
10
|
17
|
12
|
| 10. | 14 - 11 = |
8
|
5
|
2
|
3
|
| 11. | 17 - 8 = |
9
|
6
|
10
|
2
|
| 12. | 20 - 11 = |
9
|
5
|
2
|
10
|