Erbijsommen t/m 12
Optellen
| 1. | 4 + 1 = |
5
|
2
|
1
|
3
|
| 2. | 6 + 4 = |
8
|
1
|
5
|
10
|
| 3. | 5 + 4 = |
2
|
5
|
7
|
9
|
| 4. | 4 + 2 = |
6
|
8
|
3
|
2
|
| 5. | 6 + 2 = |
8
|
2
|
3
|
10
|
| 6. | 5 + 2 = |
5
|
7
|
2
|
10
|
| 7. | 3 + 1 = |
5
|
3
|
4
|
6
|
| 8. | 2 + 2 = |
8
|
7
|
4
|
9
|
| 9. | 4 + 4 = |
8
|
2
|
9
|
10
|
| 10. | 5 + 2 = |
6
|
7
|
5
|
9
|
| 11. | 1 + 1 = |
10
|
7
|
6
|
2
|
| 12. | 6 + 4 = |
9
|
10
|
3
|
6
|