Erafsommen tot en met 20 (meerkeuze)
Erafsommen
| 1. | 20 - 19 = |
10
|
9
|
1
|
5
|
| 2. | 16 - 13 = |
3
|
10
|
2
|
7
|
| 3. | 14 - 6 = |
5
|
8
|
7
|
3
|
| 4. | 12 - 6 = |
6
|
3
|
7
|
10
|
| 5. | 18 - 17 = |
9
|
6
|
3
|
1
|
| 6. | 17 - 15 = |
1
|
3
|
2
|
10
|
| 7. | 20 - 4 = |
10
|
13
|
16
|
18
|
| 8. | 14 - 2 = |
12
|
11
|
17
|
13
|
| 9. | 8 - 7 = |
5
|
8
|
1
|
6
|
| 10. | 20 - 4 = |
14
|
20
|
12
|
16
|
| 11. | 18 - 18 = |
0
|
3
|
6
|
10
|
| 12. | 19 - 17 = |
10
|
8
|
2
|
5
|