Erbijsommen t/m 1.000
Optellen
| 1. | 441 + 396 = |
602
|
770
|
837
|
924
|
| 2. | 486 + 460 = |
946
|
636
|
867
|
561
|
| 3. | 493 + 287 = |
780
|
629
|
788
|
708
|
| 4. | 342 + 105 = |
295
|
223
|
467
|
447
|
| 5. | 387 + 228 = |
688
|
947
|
615
|
574
|
| 6. | 475 + 324 = |
840
|
799
|
671
|
686
|
| 7. | 404 + 177 = |
581
|
768
|
748
|
773
|
| 8. | 423 + 146 = |
569
|
601
|
888
|
783
|
| 9. | 211 + 149 = |
478
|
360
|
242
|
339
|
| 10. | 495 + 209 = |
759
|
923
|
704
|
743
|
| 11. | 474 + 356 = |
752
|
830
|
809
|
708
|
| 12. | 475 + 263 = |
898
|
665
|
738
|
658
|