Erafsommen t/m 15 (meerkeuze)
Aftrekken
| 1. | 15 - 2 = |
11
|
20
|
13
|
18
|
| 2. | 5 - 4 = |
4
|
6
|
8
|
1
|
| 3. | 14 - 10 = |
5
|
6
|
8
|
4
|
| 4. | 9 - 1 = |
8
|
6
|
3
|
4
|
| 5. | 7 - 4 = |
10
|
9
|
2
|
3
|
| 6. | 15 - 1 = |
19
|
14
|
12
|
18
|
| 7. | 6 - 1 = |
6
|
1
|
5
|
9
|
| 8. | 8 - 2 = |
10
|
3
|
1
|
6
|
| 9. | 14 - 5 = |
2
|
3
|
4
|
9
|
| 10. | 11 - 3 = |
8
|
10
|
4
|
7
|
| 11. | 14 - 2 = |
20
|
12
|
10
|
16
|
| 12. | 10 - 9 = |
2
|
5
|
1
|
4
|