Erafsommen t/m 30
Aftrekken
| 1. | 22 - 17 = |
10
|
6
|
5
|
7
|
| 2. | 14 - 2 = |
16
|
12
|
15
|
19
|
| 3. | 25 - 7 = |
18
|
19
|
20
|
17
|
| 4. | 24 - 3 = |
21
|
47
|
43
|
35
|
| 5. | 24 - 20 = |
7
|
4
|
9
|
10
|
| 6. | 24 - 13 = |
15
|
20
|
11
|
17
|
| 7. | 24 - 11 = |
17
|
13
|
15
|
20
|
| 8. | 11 - 10 = |
2
|
3
|
7
|
1
|
| 9. | 11 - 10 = |
1
|
10
|
9
|
2
|
| 10. | 30 - 5 = |
30
|
38
|
25
|
48
|
| 11. | 28 - 22 = |
6
|
9
|
1
|
2
|
| 12. | 26 - 5 = |
26
|
21
|
45
|
44
|