Erbijsommen t/m 50
Optellen
| 1. | 17 + 6 = |
21
|
28
|
43
|
23
|
| 2. | 21 + 14 = |
31
|
39
|
35
|
34
|
| 3. | 22 + 2 = |
46
|
24
|
27
|
49
|
| 4. | 22 + 19 = |
30
|
48
|
41
|
50
|
| 5. | 17 + 15 = |
32
|
41
|
29
|
33
|
| 6. | 16 + 6 = |
26
|
22
|
29
|
48
|
| 7. | 23 + 4 = |
27
|
41
|
21
|
50
|
| 8. | 11 + 9 = |
20
|
11
|
19
|
13
|
| 9. | 4 + 2 = |
1
|
6
|
3
|
7
|
| 10. | 23 + 20 = |
21
|
22
|
23
|
43
|
| 11. | 17 + 6 = |
49
|
25
|
34
|
23
|
| 12. | 13 + 10 = |
34
|
27
|
49
|
23
|