Erbijsommen t/m 1.000
Optellen
| 1. | 123 + 115 = |
414
|
281
|
356
|
238
|
| 2. | 323 + 305 = |
690
|
641
|
864
|
628
|
| 3. | 300 + 243 = |
665
|
838
|
543
|
677
|
| 4. | 478 + 352 = |
808
|
830
|
823
|
949
|
| 5. | 480 + 469 = |
815
|
959
|
514
|
949
|
| 6. | 322 + 174 = |
496
|
241
|
368
|
420
|
| 7. | 203 + 171 = |
374
|
354
|
474
|
389
|
| 8. | 452 + 436 = |
851
|
888
|
873
|
729
|
| 9. | 453 + 283 = |
766
|
682
|
736
|
667
|
| 10. | 410 + 212 = |
622
|
550
|
510
|
631
|
| 11. | 316 + 311 = |
884
|
607
|
627
|
945
|
| 12. | 419 + 322 = |
865
|
741
|
737
|
734
|