Erbijsommen t/m 50
Optellen
| 1. | 21 + 4 = |
23
|
45
|
25
|
37
|
| 2. | 22 + 18 = |
20
|
43
|
40
|
48
|
| 3. | 16 + 14 = |
33
|
22
|
30
|
35
|
| 4. | 12 + 10 = |
31
|
46
|
49
|
22
|
| 5. | 23 + 13 = |
43
|
36
|
49
|
35
|
| 6. | 23 + 7 = |
40
|
20
|
39
|
30
|
| 7. | 22 + 19 = |
41
|
44
|
32
|
45
|
| 8. | 21 + 2 = |
40
|
23
|
30
|
33
|
| 9. | 11 + 4 = |
10
|
15
|
19
|
12
|
| 10. | 9 + 4 = |
20
|
13
|
14
|
16
|
| 11. | 16 + 13 = |
49
|
24
|
34
|
29
|
| 12. | 25 + 3 = |
28
|
25
|
38
|
21
|