Erafsommen t/m 40
Aftrekken
| 1. | 31 - 17 = |
12
|
14
|
15
|
16
|
| 2. | 30 - 2 = |
27
|
28
|
21
|
33
|
| 3. | 24 - 17 = |
3
|
5
|
2
|
7
|
| 4. | 33 - 4 = |
43
|
41
|
29
|
22
|
| 5. | 38 - 26 = |
19
|
12
|
18
|
14
|
| 6. | 32 - 4 = |
21
|
39
|
38
|
28
|
| 7. | 10 - 5 = |
4
|
8
|
5
|
6
|
| 8. | 38 - 10 = |
43
|
28
|
46
|
35
|
| 9. | 24 - 13 = |
17
|
19
|
11
|
13
|
| 10. | 38 - 15 = |
35
|
30
|
23
|
40
|
| 11. | 17 - 15 = |
10
|
8
|
2
|
7
|
| 12. | 5 - 4 = |
1
|
4
|
10
|
2
|