Erbijsommen t/m 1.000
Optellen
| 1. | 449 + 166 = |
661
|
914
|
931
|
615
|
| 2. | 478 + 317 = |
518
|
624
|
573
|
795
|
| 3. | 379 + 248 = |
552
|
894
|
627
|
774
|
| 4. | 400 + 368 = |
768
|
531
|
942
|
993
|
| 5. | 468 + 332 = |
650
|
800
|
946
|
927
|
| 6. | 227 + 187 = |
380
|
272
|
464
|
414
|
| 7. | 280 + 211 = |
407
|
466
|
491
|
281
|
| 8. | 283 + 186 = |
388
|
469
|
375
|
343
|
| 9. | 469 + 143 = |
582
|
612
|
973
|
689
|
| 10. | 294 + 145 = |
227
|
285
|
439
|
436
|
| 11. | 295 + 202 = |
262
|
340
|
497
|
480
|
| 12. | 345 + 331 = |
750
|
822
|
676
|
913
|