Erafsommen t/m 15 (meerkeuze)
Aftrekken
| 1. | 15 - 1 = |
14
|
17
|
19
|
10
|
| 2. | 8 - 1 = |
6
|
7
|
3
|
8
|
| 3. | 12 - 6 = |
5
|
4
|
6
|
3
|
| 4. | 8 - 5 = |
5
|
1
|
3
|
9
|
| 5. | 10 - 3 = |
10
|
7
|
9
|
1
|
| 6. | 10 - 10 = |
0
|
7
|
2
|
4
|
| 7. | 13 - 10 = |
10
|
1
|
8
|
3
|
| 8. | 5 - 1 = |
10
|
6
|
4
|
5
|
| 9. | 6 - 1 = |
3
|
5
|
10
|
4
|
| 10. | 15 - 10 = |
4
|
7
|
2
|
5
|
| 11. | 15 - 1 = |
14
|
15
|
11
|
13
|
| 12. | 15 - 4 = |
19
|
14
|
12
|
11
|