Erbijsommen tot en met 50
Erbijsommen
| 1. | 6 + 4 = |
4
|
10
|
1
|
5
|
| 2. | 21 + 18 = |
39
|
33
|
50
|
46
|
| 3. | 17 + 5 = |
39
|
30
|
22
|
46
|
| 4. | 19 + 18 = |
35
|
25
|
37
|
20
|
| 5. | 19 + 10 = |
29
|
39
|
35
|
46
|
| 6. | 18 + 7 = |
36
|
25
|
24
|
23
|
| 7. | 16 + 11 = |
27
|
20
|
45
|
34
|
| 8. | 19 + 15 = |
31
|
34
|
44
|
35
|
| 9. | 10 + 3 = |
15
|
13
|
17
|
19
|
| 10. | 14 + 4 = |
18
|
10
|
20
|
16
|
| 11. | 10 + 8 = |
11
|
10
|
17
|
18
|
| 12. | 19 + 15 = |
33
|
37
|
50
|
34
|