Erafsommen t/m 50
Aftrekken
| 1. | 40 - 30 = |
6
|
8
|
1
|
10
|
| 2. | 11 - 9 = |
6
|
1
|
2
|
10
|
| 3. | 23 - 9 = |
18
|
17
|
14
|
11
|
| 4. | 7 - 5 = |
2
|
6
|
9
|
1
|
| 5. | 33 - 30 = |
2
|
9
|
5
|
3
|
| 6. | 45 - 36 = |
6
|
7
|
5
|
9
|
| 7. | 50 - 48 = |
4
|
2
|
1
|
5
|
| 8. | 42 - 15 = |
29
|
36
|
43
|
27
|
| 9. | 36 - 29 = |
8
|
9
|
5
|
7
|
| 10. | 35 - 23 = |
18
|
12
|
10
|
19
|
| 11. | 40 - 21 = |
16
|
19
|
15
|
20
|
| 12. | 16 - 4 = |
16
|
18
|
12
|
17
|