Erbijsommen t/m 1.000
Optellen
| 1. | 347 + 264 = |
611
|
787
|
618
|
554
|
| 2. | 482 + 355 = |
548
|
764
|
995
|
837
|
| 3. | 389 + 387 = |
776
|
996
|
512
|
540
|
| 4. | 160 + 114 = |
274
|
240
|
223
|
481
|
| 5. | 329 + 139 = |
405
|
241
|
255
|
468
|
| 6. | 320 + 166 = |
405
|
470
|
486
|
354
|
| 7. | 418 + 162 = |
711
|
529
|
624
|
580
|
| 8. | 494 + 422 = |
736
|
916
|
851
|
883
|
| 9. | 237 + 161 = |
287
|
398
|
302
|
239
|
| 10. | 486 + 397 = |
883
|
748
|
923
|
853
|
| 11. | 479 + 131 = |
610
|
805
|
529
|
849
|
| 12. | 344 + 294 = |
618
|
716
|
592
|
638
|