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