Erbijsommen t/m 1.000
Optellen
| 1. | 387 + 354 = |
988
|
537
|
741
|
952
|
| 2. | 441 + 383 = |
692
|
824
|
560
|
678
|
| 3. | 401 + 322 = |
723
|
750
|
887
|
621
|
| 4. | 265 + 218 = |
483
|
449
|
285
|
322
|
| 5. | 449 + 183 = |
729
|
849
|
632
|
508
|
| 6. | 484 + 345 = |
565
|
974
|
829
|
580
|
| 7. | 211 + 127 = |
289
|
442
|
338
|
293
|
| 8. | 468 + 358 = |
515
|
826
|
883
|
800
|
| 9. | 284 + 243 = |
641
|
513
|
527
|
652
|
| 10. | 377 + 130 = |
936
|
626
|
519
|
507
|
| 11. | 476 + 421 = |
841
|
964
|
897
|
664
|
| 12. | 462 + 370 = |
832
|
806
|
854
|
864
|