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