Erbijsommen t/m 1.000
Optellen
| 1. | 460 + 456 = |
899
|
916
|
573
|
889
|
| 2. | 255 + 229 = |
210
|
359
|
484
|
257
|
| 3. | 442 + 125 = |
508
|
567
|
578
|
788
|
| 4. | 435 + 255 = |
769
|
690
|
694
|
567
|
| 5. | 258 + 139 = |
397
|
437
|
345
|
309
|
| 6. | 409 + 125 = |
534
|
798
|
587
|
859
|
| 7. | 405 + 201 = |
545
|
606
|
922
|
658
|
| 8. | 481 + 359 = |
840
|
599
|
617
|
627
|
| 9. | 202 + 196 = |
398
|
444
|
380
|
204
|
| 10. | 470 + 424 = |
801
|
996
|
894
|
868
|
| 11. | 481 + 480 = |
609
|
932
|
961
|
812
|
| 12. | 424 + 224 = |
648
|
577
|
768
|
650
|