Erbijsommen tot en met 50
Erbijsommen
| 1. | 23 + 11 = |
34
|
38
|
29
|
44
|
| 2. | 24 + 16 = |
22
|
40
|
20
|
39
|
| 3. | 8 + 3 = |
11
|
14
|
16
|
15
|
| 4. | 25 + 4 = |
37
|
39
|
21
|
29
|
| 5. | 19 + 10 = |
33
|
29
|
26
|
30
|
| 6. | 19 + 12 = |
39
|
36
|
31
|
35
|
| 7. | 13 + 7 = |
15
|
20
|
10
|
16
|
| 8. | 23 + 15 = |
39
|
38
|
37
|
47
|
| 9. | 15 + 1 = |
16
|
17
|
20
|
12
|
| 10. | 18 + 18 = |
36
|
21
|
24
|
32
|
| 11. | 13 + 3 = |
14
|
12
|
13
|
16
|
| 12. | 12 + 10 = |
22
|
47
|
37
|
32
|