Erbijsommen t/m 1.000
Optellen
| 1. | 496 + 271 = |
767
|
515
|
783
|
514
|
| 2. | 207 + 133 = |
438
|
439
|
340
|
390
|
| 3. | 433 + 270 = |
612
|
779
|
936
|
703
|
| 4. | 451 + 213 = |
855
|
664
|
861
|
722
|
| 5. | 176 + 159 = |
417
|
335
|
439
|
216
|
| 6. | 405 + 300 = |
890
|
870
|
705
|
543
|
| 7. | 497 + 421 = |
918
|
761
|
647
|
974
|
| 8. | 291 + 273 = |
976
|
564
|
937
|
692
|
| 9. | 165 + 108 = |
312
|
380
|
259
|
273
|
| 10. | 450 + 392 = |
762
|
809
|
842
|
990
|
| 11. | 451 + 188 = |
639
|
618
|
775
|
576
|
| 12. | 450 + 105 = |
687
|
693
|
897
|
555
|