Erbijsommen t/m 50
Optellen
| 1. | 13 + 8 = |
28
|
21
|
26
|
48
|
| 2. | 19 + 5 = |
48
|
37
|
24
|
34
|
| 3. | 20 + 6 = |
43
|
46
|
42
|
26
|
| 4. | 21 + 19 = |
47
|
28
|
50
|
40
|
| 5. | 20 + 2 = |
25
|
41
|
39
|
22
|
| 6. | 18 + 18 = |
31
|
48
|
26
|
36
|
| 7. | 22 + 2 = |
32
|
24
|
22
|
36
|
| 8. | 2 + 1 = |
5
|
4
|
3
|
10
|
| 9. | 17 + 1 = |
18
|
17
|
13
|
19
|
| 10. | 23 + 2 = |
25
|
43
|
39
|
37
|
| 11. | 11 + 4 = |
16
|
13
|
17
|
15
|
| 12. | 13 + 10 = |
28
|
37
|
30
|
23
|