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