Erbijsommen t/m 1.000
Optellen
| 1. | 438 + 121 = |
559
|
607
|
519
|
581
|
| 2. | 306 + 172 = |
281
|
373
|
478
|
270
|
| 3. | 477 + 476 = |
844
|
876
|
882
|
953
|
| 4. | 494 + 354 = |
512
|
696
|
848
|
510
|
| 5. | 411 + 276 = |
677
|
675
|
906
|
687
|
| 6. | 495 + 241 = |
972
|
736
|
781
|
530
|
| 7. | 379 + 251 = |
630
|
519
|
634
|
908
|
| 8. | 372 + 106 = |
478
|
206
|
303
|
429
|
| 9. | 331 + 127 = |
310
|
458
|
485
|
267
|
| 10. | 459 + 323 = |
687
|
882
|
694
|
782
|
| 11. | 460 + 154 = |
987
|
620
|
627
|
614
|
| 12. | 478 + 471 = |
949
|
653
|
638
|
805
|