Erbijsommen t/m 1.000
Optellen
| 1. | 373 + 245 = |
934
|
721
|
529
|
618
|
| 2. | 462 + 414 = |
719
|
876
|
816
|
617
|
| 3. | 485 + 461 = |
789
|
657
|
577
|
946
|
| 4. | 434 + 300 = |
824
|
781
|
861
|
734
|
| 5. | 230 + 178 = |
493
|
305
|
214
|
408
|
| 6. | 485 + 347 = |
788
|
832
|
624
|
991
|
| 7. | 221 + 175 = |
348
|
396
|
305
|
372
|
| 8. | 329 + 226 = |
555
|
839
|
661
|
658
|
| 9. | 343 + 139 = |
358
|
206
|
422
|
482
|
| 10. | 337 + 146 = |
318
|
404
|
312
|
483
|
| 11. | 401 + 140 = |
541
|
735
|
852
|
936
|
| 12. | 339 + 124 = |
463
|
319
|
456
|
226
|