Erbijsommen tot en met 50
Erbijsommen
| 1. | 21 + 16 = |
44
|
43
|
48
|
37
|
| 2. | 17 + 9 = |
40
|
25
|
26
|
30
|
| 3. | 24 + 14 = |
38
|
34
|
49
|
45
|
| 4. | 7 + 5 = |
18
|
10
|
12
|
11
|
| 5. | 2 + 2 = |
10
|
3
|
5
|
4
|
| 6. | 21 + 9 = |
30
|
44
|
39
|
31
|
| 7. | 11 + 9 = |
18
|
20
|
15
|
11
|
| 8. | 19 + 17 = |
47
|
22
|
44
|
36
|
| 9. | 24 + 22 = |
46
|
24
|
50
|
43
|
| 10. | 10 + 9 = |
19
|
10
|
14
|
11
|
| 11. | 25 + 5 = |
30
|
21
|
35
|
39
|
| 12. | 25 + 17 = |
42
|
35
|
25
|
49
|