Erafsommen t/m 40
Aftrekken
| 1. | 17 - 5 = |
15
|
14
|
17
|
12
|
| 2. | 25 - 18 = |
3
|
7
|
5
|
1
|
| 3. | 14 - 2 = |
18
|
14
|
12
|
10
|
| 4. | 20 - 17 = |
6
|
7
|
4
|
3
|
| 5. | 28 - 17 = |
13
|
19
|
11
|
15
|
| 6. | 37 - 11 = |
27
|
37
|
26
|
48
|
| 7. | 37 - 5 = |
32
|
30
|
46
|
23
|
| 8. | 12 - 6 = |
5
|
2
|
10
|
6
|
| 9. | 36 - 26 = |
8
|
10
|
2
|
5
|
| 10. | 22 - 20 = |
5
|
10
|
3
|
2
|
| 11. | 37 - 28 = |
6
|
1
|
3
|
9
|
| 12. | 39 - 17 = |
29
|
39
|
22
|
35
|