Erbijsommen t/m 1.000
Optellen
| 1. | 482 + 178 = |
542
|
660
|
620
|
709
|
| 2. | 221 + 126 = |
392
|
326
|
217
|
347
|
| 3. | 401 + 351 = |
639
|
752
|
996
|
650
|
| 4. | 443 + 398 = |
841
|
750
|
921
|
991
|
| 5. | 492 + 135 = |
856
|
627
|
867
|
896
|
| 6. | 456 + 140 = |
959
|
921
|
514
|
596
|
| 7. | 374 + 287 = |
927
|
588
|
661
|
827
|
| 8. | 408 + 324 = |
732
|
512
|
547
|
915
|
| 9. | 292 + 216 = |
508
|
678
|
773
|
822
|
| 10. | 354 + 327 = |
544
|
601
|
997
|
681
|
| 11. | 336 + 150 = |
486
|
461
|
231
|
288
|
| 12. | 480 + 286 = |
848
|
766
|
745
|
596
|