Erbijsommen t/m 50
Optellen
| 1. | 21 + 17 = |
34
|
46
|
36
|
38
|
| 2. | 5 + 3 = |
3
|
1
|
8
|
9
|
| 3. | 12 + 12 = |
32
|
23
|
24
|
46
|
| 4. | 19 + 11 = |
37
|
33
|
30
|
24
|
| 5. | 9 + 6 = |
17
|
12
|
16
|
15
|
| 6. | 16 + 12 = |
48
|
40
|
28
|
33
|
| 7. | 10 + 6 = |
17
|
14
|
19
|
16
|
| 8. | 22 + 21 = |
27
|
29
|
43
|
24
|
| 9. | 13 + 12 = |
24
|
25
|
40
|
37
|
| 10. | 7 + 7 = |
14
|
10
|
20
|
18
|
| 11. | 12 + 4 = |
16
|
10
|
18
|
17
|
| 12. | 15 + 6 = |
31
|
21
|
30
|
42
|