Erafsommen t/m 50
Aftrekken
| 1. | 9 - 7 = |
2
|
5
|
10
|
8
|
| 2. | 9 - 3 = |
3
|
8
|
6
|
4
|
| 3. | 12 - 5 = |
9
|
6
|
7
|
3
|
| 4. | 14 - 5 = |
7
|
9
|
3
|
2
|
| 5. | 5 - 1 = |
4
|
1
|
8
|
5
|
| 6. | 16 - 9 = |
7
|
6
|
9
|
1
|
| 7. | 35 - 27 = |
7
|
3
|
6
|
8
|
| 8. | 21 - 7 = |
16
|
19
|
14
|
13
|
| 9. | 40 - 29 = |
19
|
15
|
17
|
11
|
| 10. | 43 - 17 = |
48
|
36
|
26
|
29
|
| 11. | 40 - 15 = |
25
|
22
|
40
|
28
|
| 12. | 31 - 24 = |
7
|
2
|
9
|
8
|