Erafsommen tot en met 30
Erafsommen
| 1. | 16 - 9 = |
3
|
7
|
5
|
4
|
| 2. | 3 - 2 = |
10
|
6
|
1
|
9
|
| 3. | 13 - 2 = |
16
|
11
|
10
|
17
|
| 4. | 11 - 6 = |
2
|
9
|
10
|
5
|
| 5. | 26 - 18 = |
2
|
8
|
5
|
3
|
| 6. | 26 - 8 = |
18
|
12
|
16
|
17
|
| 7. | 28 - 25 = |
9
|
6
|
3
|
2
|
| 8. | 12 - 5 = |
5
|
8
|
7
|
2
|
| 9. | 5 - 2 = |
3
|
8
|
10
|
9
|
| 10. | 12 - 5 = |
7
|
4
|
1
|
8
|
| 11. | 19 - 12 = |
7
|
2
|
5
|
4
|
| 12. | 27 - 1 = |
20
|
30
|
46
|
26
|