Erafsommen tot en met 50 (meerkeuze)
Erafsommen
| 1. | 20 - 2 = |
16
|
13
|
18
|
15
|
| 2. | 40 - 20 = |
14
|
15
|
12
|
20
|
| 3. | 31 - 3 = |
48
|
38
|
35
|
28
|
| 4. | 30 - 1 = |
29
|
32
|
44
|
24
|
| 5. | 15 - 6 = |
2
|
5
|
9
|
4
|
| 6. | 3 - 1 = |
9
|
6
|
7
|
2
|
| 7. | 19 - 7 = |
13
|
16
|
14
|
12
|
| 8. | 48 - 7 = |
41
|
46
|
44
|
21
|
| 9. | 36 - 16 = |
20
|
13
|
10
|
11
|
| 10. | 39 - 33 = |
10
|
9
|
6
|
3
|
| 11. | 50 - 34 = |
20
|
16
|
13
|
17
|
| 12. | 16 - 7 = |
9
|
3
|
10
|
7
|