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