Erbijsommen tot en met 50
Erbijsommen
| 1. | 17 + 15 = |
22
|
34
|
32
|
43
|
| 2. | 20 + 14 = |
34
|
28
|
21
|
32
|
| 3. | 22 + 4 = |
23
|
22
|
34
|
26
|
| 4. | 22 + 16 = |
35
|
49
|
40
|
38
|
| 5. | 22 + 10 = |
32
|
33
|
24
|
46
|
| 6. | 22 + 15 = |
30
|
37
|
29
|
46
|
| 7. | 21 + 10 = |
31
|
45
|
29
|
44
|
| 8. | 9 + 5 = |
11
|
14
|
20
|
16
|
| 9. | 14 + 12 = |
26
|
49
|
21
|
31
|
| 10. | 20 + 11 = |
31
|
34
|
33
|
27
|
| 11. | 25 + 9 = |
34
|
44
|
47
|
39
|
| 12. | 9 + 6 = |
13
|
20
|
15
|
18
|