Erbijsommen t/m 1.000
Optellen
| 1. | 375 + 248 = |
852
|
578
|
623
|
861
|
| 2. | 452 + 343 = |
570
|
795
|
941
|
794
|
| 3. | 267 + 191 = |
278
|
444
|
458
|
328
|
| 4. | 462 + 427 = |
576
|
748
|
842
|
889
|
| 5. | 221 + 171 = |
445
|
453
|
327
|
392
|
| 6. | 428 + 330 = |
848
|
643
|
733
|
758
|
| 7. | 166 + 140 = |
238
|
306
|
424
|
487
|
| 8. | 216 + 154 = |
370
|
338
|
404
|
308
|
| 9. | 483 + 167 = |
781
|
516
|
650
|
899
|
| 10. | 410 + 192 = |
602
|
604
|
647
|
867
|
| 11. | 387 + 279 = |
666
|
997
|
701
|
501
|
| 12. | 299 + 284 = |
738
|
598
|
596
|
583
|