Erafsommen t/m 15 (meerkeuze)
Aftrekken
| 1. | 11 - 7 = |
9
|
8
|
4
|
3
|
| 2. | 3 - 2 = |
9
|
7
|
2
|
1
|
| 3. | 6 - 5 = |
1
|
7
|
5
|
4
|
| 4. | 14 - 8 = |
8
|
4
|
3
|
6
|
| 5. | 15 - 7 = |
10
|
3
|
8
|
4
|
| 6. | 7 - 7 = |
3
|
9
|
2
|
0
|
| 7. | 15 - 13 = |
7
|
4
|
2
|
9
|
| 8. | 15 - 2 = |
17
|
13
|
10
|
20
|
| 9. | 3 - 1 = |
1
|
2
|
9
|
3
|
| 10. | 13 - 5 = |
7
|
4
|
8
|
2
|
| 11. | 14 - 5 = |
9
|
5
|
6
|
8
|
| 12. | 15 - 6 = |
10
|
6
|
9
|
3
|