Erbijsommen tot en met 50
Erbijsommen
| 1. | 9 + 9 = |
14
|
12
|
18
|
17
|
| 2. | 25 + 24 = |
47
|
21
|
49
|
22
|
| 3. | 15 + 3 = |
17
|
13
|
16
|
18
|
| 4. | 23 + 19 = |
36
|
42
|
23
|
47
|
| 5. | 23 + 12 = |
35
|
50
|
20
|
37
|
| 6. | 19 + 12 = |
40
|
44
|
26
|
31
|
| 7. | 25 + 4 = |
29
|
33
|
49
|
26
|
| 8. | 20 + 1 = |
27
|
34
|
21
|
37
|
| 9. | 10 + 9 = |
20
|
19
|
12
|
14
|
| 10. | 18 + 10 = |
28
|
41
|
39
|
27
|
| 11. | 20 + 7 = |
27
|
32
|
23
|
48
|
| 12. | 21 + 8 = |
33
|
46
|
29
|
44
|