Erbijsommen t/m 50
Optellen
| 1. | 20 + 19 = |
41
|
44
|
48
|
39
|
| 2. | 15 + 14 = |
37
|
24
|
39
|
29
|
| 3. | 18 + 3 = |
21
|
20
|
45
|
31
|
| 4. | 11 + 4 = |
10
|
12
|
14
|
15
|
| 5. | 18 + 14 = |
21
|
32
|
44
|
48
|
| 6. | 20 + 2 = |
22
|
48
|
24
|
23
|
| 7. | 23 + 14 = |
37
|
49
|
22
|
36
|
| 8. | 15 + 10 = |
43
|
48
|
40
|
25
|
| 9. | 21 + 9 = |
35
|
30
|
25
|
42
|
| 10. | 19 + 15 = |
34
|
49
|
47
|
26
|
| 11. | 21 + 15 = |
21
|
36
|
33
|
41
|
| 12. | 15 + 11 = |
50
|
41
|
22
|
26
|