Erafsommen t/m 30
Aftrekken
| 1. | 22 - 2 = |
16
|
20
|
12
|
10
|
| 2. | 26 - 9 = |
17
|
19
|
18
|
10
|
| 3. | 24 - 22 = |
4
|
2
|
6
|
9
|
| 4. | 29 - 15 = |
16
|
14
|
17
|
13
|
| 5. | 16 - 6 = |
5
|
4
|
10
|
1
|
| 6. | 22 - 14 = |
8
|
6
|
7
|
2
|
| 7. | 19 - 17 = |
9
|
4
|
2
|
8
|
| 8. | 28 - 2 = |
30
|
40
|
26
|
39
|
| 9. | 18 - 11 = |
6
|
3
|
1
|
7
|
| 10. | 9 - 1 = |
8
|
10
|
2
|
7
|
| 11. | 20 - 2 = |
10
|
18
|
19
|
15
|
| 12. | 9 - 1 = |
6
|
9
|
8
|
7
|