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