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