Erbijsommen t/m 50
Optellen
| 1. | 20 + 4 = |
50
|
43
|
32
|
24
|
| 2. | 19 + 14 = |
36
|
35
|
31
|
33
|
| 3. | 21 + 2 = |
23
|
38
|
39
|
45
|
| 4. | 14 + 14 = |
35
|
23
|
28
|
34
|
| 5. | 22 + 21 = |
29
|
43
|
48
|
35
|
| 6. | 8 + 5 = |
13
|
20
|
16
|
15
|
| 7. | 20 + 7 = |
23
|
40
|
28
|
27
|
| 8. | 6 + 1 = |
5
|
7
|
9
|
8
|
| 9. | 22 + 21 = |
29
|
43
|
36
|
30
|
| 10. | 16 + 14 = |
36
|
20
|
30
|
41
|
| 11. | 25 + 16 = |
41
|
35
|
20
|
43
|
| 12. | 5 + 3 = |
5
|
2
|
8
|
9
|