Erbijsommen t/m 50
Optellen
| 1. | 18 + 16 = |
42
|
34
|
41
|
24
|
| 2. | 22 + 8 = |
23
|
30
|
34
|
39
|
| 3. | 15 + 5 = |
18
|
13
|
10
|
20
|
| 4. | 21 + 18 = |
39
|
41
|
26
|
30
|
| 5. | 6 + 2 = |
9
|
7
|
8
|
4
|
| 6. | 12 + 7 = |
20
|
19
|
16
|
17
|
| 7. | 21 + 20 = |
41
|
44
|
34
|
48
|
| 8. | 15 + 13 = |
20
|
34
|
25
|
28
|
| 9. | 22 + 4 = |
33
|
38
|
44
|
26
|
| 10. | 20 + 18 = |
34
|
43
|
21
|
38
|
| 11. | 16 + 8 = |
40
|
21
|
45
|
24
|
| 12. | 22 + 17 = |
39
|
41
|
40
|
46
|