Erbijsommen t/m 50
Optellen
| 1. | 9 + 2 = |
14
|
10
|
12
|
11
|
| 2. | 18 + 13 = |
36
|
46
|
50
|
31
|
| 3. | 18 + 6 = |
22
|
41
|
24
|
23
|
| 4. | 11 + 2 = |
14
|
18
|
16
|
13
|
| 5. | 11 + 10 = |
34
|
50
|
42
|
21
|
| 6. | 12 + 10 = |
22
|
41
|
36
|
50
|
| 7. | 24 + 19 = |
20
|
39
|
43
|
29
|
| 8. | 11 + 2 = |
13
|
18
|
15
|
16
|
| 9. | 12 + 8 = |
15
|
16
|
17
|
20
|
| 10. | 16 + 9 = |
49
|
25
|
21
|
31
|
| 11. | 21 + 17 = |
38
|
23
|
43
|
30
|
| 12. | 20 + 14 = |
34
|
26
|
35
|
23
|