Erbijsommen t/m 50
Optellen
| 1. | 25 + 20 = |
35
|
20
|
45
|
34
|
| 2. | 19 + 10 = |
46
|
37
|
29
|
27
|
| 3. | 23 + 12 = |
25
|
30
|
35
|
49
|
| 4. | 22 + 21 = |
30
|
43
|
20
|
49
|
| 5. | 22 + 19 = |
32
|
24
|
41
|
48
|
| 6. | 25 + 6 = |
22
|
23
|
31
|
45
|
| 7. | 23 + 8 = |
37
|
31
|
49
|
33
|
| 8. | 16 + 10 = |
32
|
24
|
39
|
26
|
| 9. | 24 + 14 = |
38
|
36
|
25
|
29
|
| 10. | 14 + 10 = |
30
|
41
|
20
|
24
|
| 11. | 3 + 1 = |
9
|
3
|
4
|
6
|
| 12. | 6 + 5 = |
11
|
15
|
13
|
12
|