Erbijsommen tot en met 50
Erbijsommen
| 1. | 10 + 7 = |
15
|
19
|
17
|
14
|
| 2. | 25 + 11 = |
48
|
36
|
46
|
35
|
| 3. | 13 + 4 = |
17
|
15
|
19
|
12
|
| 4. | 18 + 2 = |
19
|
20
|
18
|
17
|
| 5. | 25 + 3 = |
43
|
22
|
33
|
28
|
| 6. | 25 + 6 = |
31
|
37
|
32
|
47
|
| 7. | 24 + 4 = |
24
|
49
|
22
|
28
|
| 8. | 20 + 9 = |
33
|
29
|
50
|
41
|
| 9. | 23 + 9 = |
36
|
50
|
32
|
25
|
| 10. | 9 + 8 = |
17
|
15
|
19
|
13
|
| 11. | 24 + 3 = |
30
|
27
|
45
|
25
|
| 12. | 18 + 1 = |
11
|
20
|
19
|
14
|