Erafsommen tot en met 30
Erafsommen
| 1. | 22 - 11 = |
20
|
12
|
19
|
11
|
| 2. | 6 - 5 = |
3
|
1
|
10
|
4
|
| 3. | 21 - 7 = |
20
|
19
|
14
|
17
|
| 4. | 21 - 9 = |
19
|
14
|
12
|
10
|
| 5. | 11 - 5 = |
7
|
2
|
6
|
9
|
| 6. | 19 - 15 = |
10
|
4
|
1
|
2
|
| 7. | 21 - 8 = |
20
|
15
|
14
|
13
|
| 8. | 16 - 7 = |
7
|
10
|
2
|
9
|
| 9. | 14 - 7 = |
2
|
6
|
3
|
7
|
| 10. | 26 - 22 = |
10
|
1
|
3
|
4
|
| 11. | 3 - 1 = |
7
|
2
|
8
|
5
|
| 12. | 15 - 4 = |
11
|
20
|
19
|
17
|