Erafsommen t/m 40
Aftrekken
| 1. | 13 - 5 = |
8
|
1
|
3
|
5
|
| 2. | 34 - 13 = |
42
|
30
|
25
|
21
|
| 3. | 35 - 33 = |
8
|
1
|
5
|
2
|
| 4. | 22 - 13 = |
1
|
9
|
5
|
10
|
| 5. | 37 - 33 = |
5
|
4
|
10
|
9
|
| 6. | 39 - 9 = |
23
|
49
|
24
|
30
|
| 7. | 33 - 7 = |
45
|
32
|
26
|
21
|
| 8. | 37 - 25 = |
15
|
13
|
12
|
14
|
| 9. | 16 - 5 = |
13
|
19
|
20
|
11
|
| 10. | 35 - 25 = |
8
|
7
|
6
|
10
|
| 11. | 38 - 36 = |
2
|
10
|
9
|
3
|
| 12. | 19 - 8 = |
11
|
20
|
12
|
15
|