Erafsommen t/m 30
Aftrekken
| 1. | 28 - 8 = |
16
|
20
|
19
|
13
|
| 2. | 22 - 21 = |
3
|
1
|
8
|
10
|
| 3. | 26 - 2 = |
24
|
45
|
40
|
43
|
| 4. | 19 - 18 = |
10
|
1
|
4
|
7
|
| 5. | 13 - 6 = |
7
|
1
|
8
|
6
|
| 6. | 20 - 11 = |
4
|
9
|
3
|
7
|
| 7. | 25 - 18 = |
7
|
5
|
1
|
8
|
| 8. | 28 - 1 = |
37
|
27
|
49
|
42
|
| 9. | 10 - 9 = |
1
|
6
|
3
|
10
|
| 10. | 11 - 4 = |
5
|
7
|
9
|
1
|
| 11. | 27 - 10 = |
20
|
18
|
17
|
14
|
| 12. | 24 - 15 = |
4
|
9
|
6
|
8
|