Erbijsommen t/m 50
Optellen
| 1. | 22 + 11 = |
40
|
24
|
31
|
33
|
| 2. | 11 + 6 = |
14
|
12
|
10
|
17
|
| 3. | 24 + 20 = |
44
|
31
|
28
|
32
|
| 4. | 15 + 12 = |
29
|
22
|
27
|
36
|
| 5. | 24 + 10 = |
34
|
50
|
35
|
46
|
| 6. | 20 + 14 = |
23
|
48
|
34
|
31
|
| 7. | 20 + 3 = |
30
|
29
|
23
|
37
|
| 8. | 8 + 6 = |
18
|
17
|
19
|
14
|
| 9. | 10 + 6 = |
13
|
19
|
11
|
16
|
| 10. | 16 + 6 = |
22
|
38
|
26
|
21
|
| 11. | 22 + 15 = |
37
|
43
|
25
|
36
|
| 12. | 23 + 18 = |
47
|
46
|
49
|
41
|