Erbijsommen tot en met 40
Erbijsommen
| 1. | 19 + 11 = |
28
|
46
|
30
|
49
|
| 2. | 17 + 1 = |
11
|
13
|
18
|
17
|
| 3. | 13 + 6 = |
19
|
10
|
14
|
16
|
| 4. | 11 + 9 = |
13
|
14
|
20
|
12
|
| 5. | 17 + 11 = |
28
|
45
|
26
|
24
|
| 6. | 19 + 5 = |
24
|
35
|
43
|
23
|
| 7. | 19 + 6 = |
50
|
25
|
36
|
28
|
| 8. | 20 + 4 = |
36
|
35
|
32
|
24
|
| 9. | 14 + 4 = |
15
|
12
|
18
|
20
|
| 10. | 13 + 6 = |
12
|
16
|
14
|
19
|
| 11. | 16 + 11 = |
27
|
22
|
34
|
49
|
| 12. | 18 + 1 = |
20
|
11
|
13
|
19
|