Erbijsommen tot en met 50
Erbijsommen
| 1. | 13 + 3 = |
17
|
11
|
10
|
16
|
| 2. | 17 + 11 = |
34
|
36
|
32
|
28
|
| 3. | 18 + 9 = |
27
|
41
|
28
|
30
|
| 4. | 15 + 7 = |
38
|
22
|
44
|
33
|
| 5. | 5 + 1 = |
4
|
10
|
2
|
6
|
| 6. | 6 + 5 = |
11
|
10
|
12
|
17
|
| 7. | 17 + 2 = |
17
|
19
|
11
|
15
|
| 8. | 13 + 8 = |
49
|
46
|
20
|
21
|
| 9. | 21 + 9 = |
30
|
50
|
24
|
21
|
| 10. | 12 + 5 = |
17
|
12
|
11
|
18
|
| 11. | 25 + 22 = |
28
|
35
|
47
|
21
|
| 12. | 13 + 8 = |
32
|
24
|
49
|
21
|