Erbijsommen t/m 1.000
Optellen
| 1. | 195 + 156 = |
445
|
351
|
466
|
271
|
| 2. | 402 + 376 = |
838
|
829
|
778
|
935
|
| 3. | 480 + 368 = |
732
|
667
|
699
|
848
|
| 4. | 309 + 100 = |
409
|
364
|
410
|
493
|
| 5. | 474 + 374 = |
576
|
529
|
609
|
848
|
| 6. | 277 + 148 = |
425
|
406
|
345
|
362
|
| 7. | 485 + 306 = |
972
|
889
|
791
|
891
|
| 8. | 194 + 118 = |
312
|
397
|
355
|
281
|
| 9. | 377 + 179 = |
525
|
556
|
552
|
866
|
| 10. | 456 + 105 = |
502
|
971
|
521
|
561
|
| 11. | 395 + 180 = |
575
|
980
|
716
|
878
|
| 12. | 394 + 180 = |
684
|
510
|
574
|
636
|