Erbijsommen t/m 1.000
Optellen
| 1. | 434 + 327 = |
678
|
761
|
850
|
757
|
| 2. | 301 + 103 = |
404
|
361
|
227
|
205
|
| 3. | 266 + 141 = |
260
|
407
|
207
|
208
|
| 4. | 466 + 173 = |
645
|
636
|
639
|
576
|
| 5. | 337 + 128 = |
469
|
371
|
374
|
465
|
| 6. | 492 + 474 = |
966
|
898
|
588
|
631
|
| 7. | 455 + 272 = |
837
|
872
|
695
|
727
|
| 8. | 382 + 276 = |
545
|
605
|
677
|
658
|
| 9. | 479 + 362 = |
841
|
924
|
622
|
666
|
| 10. | 405 + 265 = |
622
|
808
|
589
|
670
|
| 11. | 229 + 137 = |
366
|
422
|
257
|
373
|
| 12. | 221 + 180 = |
468
|
401
|
402
|
395
|