Erafsommen tot en met 50
Erafsommen
| 1. | 20 - 13 = |
4
|
7
|
10
|
2
|
| 2. | 49 - 26 = |
32
|
23
|
21
|
45
|
| 3. | 27 - 8 = |
13
|
19
|
20
|
10
|
| 4. | 34 - 19 = |
15
|
13
|
17
|
11
|
| 5. | 32 - 13 = |
10
|
14
|
11
|
19
|
| 6. | 50 - 37 = |
14
|
12
|
16
|
13
|
| 7. | 22 - 9 = |
14
|
13
|
12
|
20
|
| 8. | 19 - 17 = |
6
|
9
|
2
|
3
|
| 9. | 49 - 45 = |
7
|
3
|
6
|
4
|
| 10. | 43 - 15 = |
28
|
32
|
43
|
27
|
| 11. | 37 - 25 = |
20
|
13
|
15
|
12
|
| 12. | 49 - 21 = |
40
|
25
|
28
|
30
|