Erafsommen tot en met 20 (meerkeuze)
Erafsommen
| 1. | 13 - 6 = |
9
|
7
|
4
|
2
|
| 2. | 20 - 15 = |
3
|
7
|
5
|
9
|
| 3. | 11 - 6 = |
5
|
1
|
9
|
4
|
| 4. | 19 - 17 = |
5
|
6
|
3
|
2
|
| 5. | 19 - 7 = |
14
|
12
|
17
|
15
|
| 6. | 18 - 10 = |
9
|
8
|
2
|
4
|
| 7. | 20 - 15 = |
4
|
5
|
3
|
10
|
| 8. | 16 - 8 = |
3
|
4
|
8
|
1
|
| 9. | 16 - 8 = |
4
|
6
|
8
|
2
|
| 10. | 15 - 12 = |
3
|
9
|
4
|
10
|
| 11. | 17 - 8 = |
8
|
9
|
5
|
4
|
| 12. | 19 - 7 = |
12
|
20
|
14
|
11
|