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