Erafsommen tot en met 30
Erafsommen
| 1. | 30 - 20 = |
10
|
2
|
6
|
7
|
| 2. | 24 - 9 = |
16
|
15
|
17
|
18
|
| 3. | 27 - 15 = |
18
|
12
|
13
|
16
|
| 4. | 25 - 23 = |
6
|
8
|
9
|
2
|
| 5. | 12 - 3 = |
4
|
9
|
6
|
2
|
| 6. | 24 - 10 = |
10
|
14
|
17
|
18
|
| 7. | 24 - 24 = |
2
|
0
|
1
|
3
|
| 8. | 9 - 6 = |
8
|
4
|
2
|
3
|
| 9. | 16 - 16 = |
9
|
7
|
0
|
5
|
| 10. | 24 - 11 = |
13
|
20
|
12
|
10
|
| 11. | 19 - 15 = |
4
|
10
|
1
|
5
|
| 12. | 22 - 14 = |
9
|
2
|
7
|
8
|