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