Erbijsommen t/m 1.000
Optellen
| 1. | 459 + 224 = |
814
|
543
|
683
|
586
|
| 2. | 239 + 176 = |
311
|
415
|
293
|
450
|
| 3. | 490 + 326 = |
825
|
816
|
537
|
891
|
| 4. | 423 + 392 = |
651
|
851
|
815
|
924
|
| 5. | 391 + 335 = |
726
|
533
|
826
|
530
|
| 6. | 418 + 232 = |
567
|
930
|
867
|
650
|
| 7. | 240 + 139 = |
244
|
339
|
379
|
252
|
| 8. | 371 + 157 = |
528
|
621
|
834
|
730
|
| 9. | 367 + 289 = |
656
|
810
|
649
|
984
|
| 10. | 466 + 123 = |
739
|
589
|
884
|
894
|
| 11. | 219 + 218 = |
437
|
294
|
258
|
456
|
| 12. | 421 + 411 = |
931
|
717
|
832
|
590
|