Erbijsommen t/m 1.000
Optellen
| 1. | 214 + 143 = |
357
|
334
|
426
|
200
|
| 2. | 449 + 245 = |
694
|
524
|
879
|
521
|
| 3. | 470 + 460 = |
591
|
930
|
812
|
608
|
| 4. | 177 + 174 = |
485
|
416
|
317
|
351
|
| 5. | 315 + 261 = |
973
|
718
|
852
|
576
|
| 6. | 242 + 207 = |
304
|
449
|
247
|
418
|
| 7. | 206 + 156 = |
362
|
445
|
285
|
209
|
| 8. | 357 + 294 = |
925
|
651
|
630
|
589
|
| 9. | 478 + 368 = |
665
|
515
|
846
|
502
|
| 10. | 315 + 250 = |
586
|
970
|
565
|
645
|
| 11. | 407 + 397 = |
804
|
515
|
624
|
835
|
| 12. | 181 + 121 = |
427
|
302
|
399
|
429
|