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