Erbijsommen t/m 1.000
Optellen
| 1. | 375 + 146 = |
674
|
615
|
552
|
521
|
| 2. | 437 + 391 = |
828
|
777
|
627
|
840
|
| 3. | 385 + 147 = |
640
|
532
|
544
|
817
|
| 4. | 324 + 153 = |
477
|
466
|
265
|
433
|
| 5. | 422 + 357 = |
779
|
859
|
686
|
858
|
| 6. | 457 + 369 = |
800
|
525
|
990
|
826
|
| 7. | 499 + 230 = |
539
|
540
|
954
|
729
|
| 8. | 190 + 167 = |
481
|
271
|
466
|
357
|
| 9. | 466 + 459 = |
925
|
863
|
581
|
928
|
| 10. | 453 + 129 = |
565
|
582
|
710
|
917
|
| 11. | 349 + 152 = |
679
|
777
|
501
|
729
|
| 12. | 294 + 215 = |
684
|
509
|
775
|
637
|