Erbijsommen t/m 1.000
Optellen
| 1. | 399 + 242 = |
539
|
650
|
641
|
642
|
| 2. | 284 + 204 = |
481
|
285
|
488
|
272
|
| 3. | 408 + 156 = |
509
|
564
|
970
|
693
|
| 4. | 338 + 131 = |
357
|
469
|
316
|
247
|
| 5. | 280 + 145 = |
414
|
338
|
381
|
425
|
| 6. | 459 + 117 = |
708
|
576
|
766
|
647
|
| 7. | 233 + 174 = |
451
|
407
|
446
|
207
|
| 8. | 443 + 433 = |
766
|
514
|
876
|
718
|
| 9. | 478 + 297 = |
731
|
558
|
852
|
775
|
| 10. | 496 + 303 = |
595
|
987
|
799
|
837
|
| 11. | 377 + 203 = |
870
|
958
|
580
|
937
|
| 12. | 434 + 221 = |
543
|
558
|
834
|
655
|