Erafsommen t/m 40
Aftrekken
| 1. | 33 - 4 = |
27
|
44
|
22
|
29
|
| 2. | 10 - 7 = |
3
|
7
|
10
|
1
|
| 3. | 22 - 7 = |
19
|
14
|
16
|
15
|
| 4. | 19 - 4 = |
17
|
20
|
18
|
15
|
| 5. | 26 - 15 = |
15
|
18
|
14
|
11
|
| 6. | 21 - 8 = |
18
|
12
|
14
|
13
|
| 7. | 28 - 3 = |
25
|
22
|
32
|
36
|
| 8. | 25 - 7 = |
10
|
18
|
19
|
16
|
| 9. | 39 - 36 = |
8
|
6
|
3
|
5
|
| 10. | 35 - 18 = |
14
|
16
|
17
|
19
|
| 11. | 39 - 31 = |
2
|
10
|
1
|
8
|
| 12. | 36 - 1 = |
38
|
35
|
49
|
31
|