Erafsommen tot en met 20 (meerkeuze)
Erafsommen
| 1. | 10 - 8 = |
2
|
7
|
8
|
9
|
| 2. | 19 - 18 = |
1
|
7
|
8
|
2
|
| 3. | 20 - 13 = |
1
|
2
|
7
|
9
|
| 4. | 11 - 8 = |
10
|
9
|
8
|
3
|
| 5. | 17 - 5 = |
19
|
15
|
17
|
12
|
| 6. | 19 - 12 = |
2
|
7
|
1
|
10
|
| 7. | 18 - 7 = |
14
|
15
|
13
|
11
|
| 8. | 19 - 16 = |
8
|
6
|
10
|
3
|
| 9. | 8 - 8 = |
6
|
0
|
4
|
3
|
| 10. | 17 - 4 = |
13
|
17
|
11
|
19
|
| 11. | 19 - 17 = |
2
|
9
|
6
|
1
|
| 12. | 9 - 8 = |
7
|
1
|
5
|
8
|