Erbijsommen t/m 1.000
Optellen
| 1. | 391 + 101 = |
213
|
432
|
332
|
492
|
| 2. | 382 + 105 = |
223
|
487
|
478
|
315
|
| 3. | 408 + 141 = |
594
|
563
|
549
|
759
|
| 4. | 459 + 108 = |
567
|
906
|
975
|
553
|
| 5. | 382 + 261 = |
784
|
688
|
643
|
965
|
| 6. | 456 + 110 = |
771
|
746
|
566
|
922
|
| 7. | 401 + 190 = |
591
|
721
|
610
|
881
|
| 8. | 413 + 271 = |
808
|
875
|
684
|
893
|
| 9. | 176 + 128 = |
304
|
261
|
385
|
461
|
| 10. | 305 + 293 = |
574
|
715
|
710
|
598
|
| 11. | 409 + 248 = |
876
|
917
|
523
|
657
|
| 12. | 252 + 158 = |
374
|
341
|
351
|
410
|