Erbijsommen t/m 1.000
Optellen
| 1. | 350 + 226 = |
873
|
502
|
576
|
553
|
| 2. | 137 + 102 = |
334
|
256
|
239
|
270
|
| 3. | 267 + 150 = |
211
|
417
|
447
|
419
|
| 4. | 472 + 343 = |
593
|
719
|
815
|
767
|
| 5. | 500 + 206 = |
726
|
706
|
806
|
892
|
| 6. | 473 + 188 = |
841
|
991
|
661
|
961
|
| 7. | 415 + 206 = |
762
|
640
|
729
|
621
|
| 8. | 342 + 294 = |
502
|
639
|
636
|
578
|
| 9. | 320 + 121 = |
392
|
258
|
441
|
417
|
| 10. | 377 + 286 = |
543
|
751
|
663
|
824
|
| 11. | 297 + 254 = |
676
|
621
|
551
|
609
|
| 12. | 266 + 185 = |
451
|
344
|
307
|
257
|