Erbijsommen t/m 1.000
Optellen
| 1. | 433 + 389 = |
905
|
822
|
962
|
655
|
| 2. | 332 + 258 = |
590
|
924
|
623
|
998
|
| 3. | 459 + 433 = |
892
|
677
|
817
|
608
|
| 4. | 398 + 166 = |
509
|
564
|
921
|
570
|
| 5. | 479 + 195 = |
674
|
553
|
830
|
831
|
| 6. | 435 + 292 = |
536
|
727
|
851
|
828
|
| 7. | 321 + 279 = |
857
|
926
|
600
|
692
|
| 8. | 414 + 158 = |
592
|
982
|
572
|
942
|
| 9. | 235 + 173 = |
215
|
408
|
222
|
213
|
| 10. | 346 + 153 = |
465
|
218
|
499
|
292
|
| 11. | 382 + 292 = |
565
|
674
|
749
|
985
|
| 12. | 452 + 401 = |
651
|
942
|
607
|
853
|