Erbijsommen tot en met 50
Erbijsommen
| 1. | 4 + 3 = |
7
|
6
|
2
|
9
|
| 2. | 23 + 17 = |
32
|
44
|
45
|
40
|
| 3. | 20 + 3 = |
22
|
23
|
28
|
27
|
| 4. | 13 + 8 = |
21
|
47
|
37
|
33
|
| 5. | 20 + 14 = |
35
|
34
|
48
|
21
|
| 6. | 23 + 21 = |
48
|
44
|
38
|
45
|
| 7. | 18 + 11 = |
36
|
28
|
29
|
27
|
| 8. | 21 + 20 = |
48
|
44
|
41
|
30
|
| 9. | 24 + 1 = |
24
|
43
|
25
|
20
|
| 10. | 23 + 11 = |
38
|
34
|
50
|
25
|
| 11. | 16 + 7 = |
29
|
26
|
45
|
23
|
| 12. | 19 + 6 = |
24
|
25
|
31
|
26
|