Erbijsommen tot en met 30
Erbijsommen
| 1. | 14 + 2 = |
12
|
13
|
16
|
15
|
| 2. | 11 + 3 = |
20
|
14
|
15
|
11
|
| 3. | 9 + 2 = |
19
|
11
|
20
|
14
|
| 4. | 13 + 5 = |
18
|
17
|
16
|
13
|
| 5. | 15 + 14 = |
38
|
29
|
36
|
27
|
| 6. | 8 + 7 = |
15
|
18
|
11
|
20
|
| 7. | 9 + 5 = |
14
|
12
|
10
|
15
|
| 8. | 6 + 2 = |
10
|
8
|
9
|
1
|
| 9. | 12 + 3 = |
19
|
10
|
15
|
18
|
| 10. | 15 + 11 = |
38
|
43
|
26
|
29
|
| 11. | 12 + 7 = |
13
|
16
|
17
|
19
|
| 12. | 14 + 5 = |
10
|
11
|
12
|
19
|