Erbijsommen t/m 1.000
Optellen
| 1. | 268 + 227 = |
495
|
357
|
273
|
303
|
| 2. | 487 + 343 = |
844
|
975
|
830
|
661
|
| 3. | 430 + 151 = |
806
|
581
|
577
|
546
|
| 4. | 462 + 267 = |
729
|
679
|
513
|
984
|
| 5. | 479 + 389 = |
772
|
868
|
630
|
716
|
| 6. | 459 + 418 = |
867
|
854
|
955
|
877
|
| 7. | 491 + 422 = |
913
|
618
|
667
|
584
|
| 8. | 460 + 422 = |
554
|
882
|
881
|
879
|
| 9. | 439 + 410 = |
719
|
849
|
809
|
746
|
| 10. | 491 + 448 = |
888
|
807
|
877
|
939
|
| 11. | 371 + 270 = |
641
|
773
|
572
|
808
|
| 12. | 393 + 125 = |
518
|
975
|
542
|
667
|