Erbijsommen t/m 1.000
Optellen
| 1. | 410 + 217 = |
728
|
627
|
765
|
861
|
| 2. | 473 + 251 = |
724
|
713
|
833
|
621
|
| 3. | 189 + 153 = |
422
|
431
|
342
|
372
|
| 4. | 336 + 204 = |
978
|
809
|
540
|
745
|
| 5. | 422 + 294 = |
716
|
970
|
678
|
787
|
| 6. | 318 + 244 = |
666
|
562
|
793
|
983
|
| 7. | 366 + 185 = |
954
|
889
|
936
|
551
|
| 8. | 403 + 296 = |
998
|
645
|
994
|
699
|
| 9. | 373 + 266 = |
989
|
728
|
639
|
653
|
| 10. | 243 + 242 = |
492
|
373
|
485
|
358
|
| 11. | 297 + 166 = |
232
|
335
|
463
|
241
|
| 12. | 479 + 431 = |
857
|
735
|
910
|
524
|