Erbijsommen tot en met 50
Erbijsommen
| 1. | 21 + 14 = |
35
|
50
|
28
|
41
|
| 2. | 11 + 1 = |
18
|
19
|
12
|
13
|
| 3. | 19 + 6 = |
30
|
20
|
25
|
21
|
| 4. | 21 + 13 = |
33
|
34
|
46
|
36
|
| 5. | 6 + 2 = |
2
|
4
|
8
|
3
|
| 6. | 21 + 19 = |
21
|
39
|
40
|
42
|
| 7. | 20 + 6 = |
23
|
31
|
26
|
48
|
| 8. | 25 + 3 = |
29
|
23
|
28
|
43
|
| 9. | 4 + 4 = |
7
|
3
|
4
|
8
|
| 10. | 17 + 4 = |
42
|
21
|
29
|
30
|
| 11. | 21 + 2 = |
27
|
44
|
23
|
41
|
| 12. | 13 + 1 = |
11
|
14
|
15
|
20
|