Erafsommen t/m 20 (meerkeuze)
Aftrekken
| 1. | 19 - 8 = |
13
|
11
|
20
|
18
|
| 2. | 7 - 5 = |
8
|
6
|
5
|
2
|
| 3. | 15 - 11 = |
8
|
3
|
2
|
4
|
| 4. | 12 - 2 = |
5
|
10
|
7
|
1
|
| 5. | 19 - 13 = |
6
|
1
|
8
|
2
|
| 6. | 18 - 12 = |
8
|
9
|
6
|
10
|
| 7. | 17 - 2 = |
20
|
18
|
15
|
17
|
| 8. | 20 - 14 = |
6
|
8
|
9
|
3
|
| 9. | 15 - 2 = |
11
|
13
|
12
|
19
|
| 10. | 14 - 10 = |
6
|
1
|
3
|
4
|
| 11. | 19 - 13 = |
10
|
2
|
1
|
6
|
| 12. | 17 - 11 = |
7
|
6
|
1
|
3
|