Erbijsommen t/m 50
Optellen
| 1. | 18 + 3 = |
45
|
46
|
21
|
23
|
| 2. | 13 + 8 = |
21
|
29
|
46
|
26
|
| 3. | 20 + 13 = |
20
|
33
|
23
|
46
|
| 4. | 7 + 5 = |
20
|
17
|
12
|
10
|
| 5. | 23 + 16 = |
41
|
32
|
39
|
23
|
| 6. | 14 + 6 = |
17
|
12
|
14
|
20
|
| 7. | 13 + 4 = |
13
|
18
|
14
|
17
|
| 8. | 11 + 6 = |
19
|
20
|
17
|
15
|
| 9. | 23 + 10 = |
49
|
33
|
32
|
40
|
| 10. | 9 + 4 = |
15
|
20
|
13
|
10
|
| 11. | 17 + 7 = |
21
|
31
|
29
|
24
|
| 12. | 22 + 22 = |
44
|
27
|
36
|
31
|