Erafsommen t/m 15 (meerkeuze)
Aftrekken
| 1. | 14 - 6 = |
10
|
8
|
9
|
3
|
| 2. | 13 - 9 = |
9
|
1
|
7
|
4
|
| 3. | 15 - 13 = |
1
|
2
|
3
|
8
|
| 4. | 15 - 4 = |
16
|
20
|
12
|
11
|
| 5. | 11 - 1 = |
3
|
10
|
6
|
5
|
| 6. | 10 - 7 = |
5
|
6
|
3
|
9
|
| 7. | 15 - 6 = |
7
|
10
|
9
|
8
|
| 8. | 2 - 2 = |
2
|
1
|
0
|
4
|
| 9. | 15 - 8 = |
3
|
2
|
1
|
7
|
| 10. | 9 - 7 = |
6
|
8
|
1
|
2
|
| 11. | 11 - 10 = |
4
|
5
|
1
|
6
|
| 12. | 9 - 2 = |
4
|
7
|
1
|
8
|