Erbijsommen t/m 50
Optellen
| 1. | 10 + 5 = |
15
|
18
|
12
|
16
|
| 2. | 25 + 12 = |
37
|
27
|
46
|
32
|
| 3. | 17 + 6 = |
37
|
25
|
23
|
34
|
| 4. | 24 + 9 = |
40
|
47
|
34
|
33
|
| 5. | 20 + 9 = |
29
|
21
|
38
|
47
|
| 6. | 20 + 18 = |
50
|
42
|
25
|
38
|
| 7. | 19 + 14 = |
36
|
45
|
24
|
33
|
| 8. | 16 + 9 = |
41
|
23
|
25
|
43
|
| 9. | 15 + 6 = |
21
|
46
|
48
|
22
|
| 10. | 20 + 3 = |
21
|
40
|
33
|
23
|
| 11. | 24 + 15 = |
46
|
23
|
39
|
35
|
| 12. | 25 + 23 = |
22
|
48
|
33
|
50
|