Erafsommen t/m 30
Aftrekken
| 1. | 16 - 4 = |
17
|
12
|
15
|
18
|
| 2. | 20 - 13 = |
7
|
2
|
8
|
5
|
| 3. | 7 - 5 = |
9
|
6
|
2
|
3
|
| 4. | 19 - 10 = |
9
|
5
|
6
|
10
|
| 5. | 10 - 10 = |
3
|
6
|
0
|
4
|
| 6. | 15 - 4 = |
19
|
18
|
17
|
11
|
| 7. | 9 - 2 = |
2
|
6
|
8
|
7
|
| 8. | 24 - 8 = |
16
|
15
|
19
|
12
|
| 9. | 25 - 6 = |
15
|
12
|
20
|
19
|
| 10. | 30 - 29 = |
4
|
3
|
8
|
1
|
| 11. | 14 - 6 = |
3
|
2
|
8
|
9
|
| 12. | 16 - 7 = |
9
|
1
|
7
|
6
|