Erafsommen t/m 40
Aftrekken
| 1. | 13 - 4 = |
6
|
9
|
10
|
1
|
| 2. | 22 - 1 = |
41
|
24
|
22
|
21
|
| 3. | 37 - 33 = |
3
|
9
|
4
|
10
|
| 4. | 35 - 18 = |
15
|
17
|
19
|
12
|
| 5. | 16 - 8 = |
9
|
8
|
10
|
6
|
| 6. | 39 - 30 = |
2
|
9
|
7
|
8
|
| 7. | 38 - 26 = |
12
|
20
|
10
|
16
|
| 8. | 25 - 13 = |
14
|
12
|
11
|
17
|
| 9. | 38 - 21 = |
16
|
17
|
11
|
14
|
| 10. | 38 - 36 = |
6
|
2
|
4
|
10
|
| 11. | 12 - 1 = |
18
|
11
|
10
|
13
|
| 12. | 28 - 8 = |
18
|
20
|
17
|
12
|