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