Erafsommen t/m 30
Aftrekken
| 1. | 23 - 10 = |
15
|
13
|
10
|
11
|
| 2. | 21 - 2 = |
14
|
17
|
19
|
16
|
| 3. | 20 - 12 = |
5
|
2
|
4
|
8
|
| 4. | 26 - 23 = |
1
|
3
|
8
|
6
|
| 5. | 27 - 4 = |
21
|
20
|
46
|
23
|
| 6. | 27 - 14 = |
15
|
14
|
13
|
19
|
| 7. | 5 - 4 = |
6
|
9
|
4
|
1
|
| 8. | 26 - 16 = |
6
|
10
|
8
|
4
|
| 9. | 30 - 19 = |
20
|
17
|
15
|
11
|
| 10. | 19 - 13 = |
9
|
6
|
5
|
7
|
| 11. | 5 - 2 = |
8
|
6
|
3
|
9
|
| 12. | 22 - 13 = |
10
|
9
|
8
|
6
|