Erbijsommen t/m 1.000
Optellen
| 1. | 497 + 384 = |
523
|
866
|
989
|
881
|
| 2. | 389 + 142 = |
609
|
531
|
674
|
838
|
| 3. | 348 + 149 = |
497
|
439
|
361
|
287
|
| 4. | 262 + 185 = |
335
|
447
|
279
|
359
|
| 5. | 495 + 238 = |
733
|
855
|
821
|
554
|
| 6. | 438 + 427 = |
803
|
865
|
548
|
533
|
| 7. | 330 + 204 = |
798
|
534
|
877
|
765
|
| 8. | 452 + 194 = |
910
|
984
|
646
|
955
|
| 9. | 349 + 142 = |
245
|
203
|
491
|
351
|
| 10. | 473 + 281 = |
754
|
545
|
947
|
660
|
| 11. | 456 + 140 = |
596
|
524
|
929
|
669
|
| 12. | 465 + 404 = |
650
|
689
|
869
|
787
|