Erbijsommen t/m 50
Optellen
| 1. | 17 + 16 = |
47
|
22
|
31
|
33
|
| 2. | 20 + 14 = |
47
|
34
|
26
|
50
|
| 3. | 17 + 3 = |
20
|
13
|
14
|
15
|
| 4. | 17 + 5 = |
21
|
22
|
39
|
45
|
| 5. | 3 + 1 = |
1
|
10
|
3
|
4
|
| 6. | 4 + 2 = |
3
|
6
|
1
|
4
|
| 7. | 8 + 3 = |
17
|
16
|
10
|
11
|
| 8. | 4 + 3 = |
7
|
1
|
10
|
4
|
| 9. | 25 + 12 = |
37
|
29
|
36
|
32
|
| 10. | 22 + 11 = |
27
|
36
|
33
|
32
|
| 11. | 2 + 2 = |
4
|
8
|
2
|
7
|
| 12. | 22 + 16 = |
34
|
43
|
35
|
38
|