Erbijsommen t/m 1.000
Optellen
| 1. | 474 + 353 = |
552
|
827
|
636
|
897
|
| 2. | 358 + 309 = |
734
|
556
|
667
|
780
|
| 3. | 498 + 406 = |
614
|
795
|
904
|
756
|
| 4. | 422 + 135 = |
591
|
557
|
998
|
748
|
| 5. | 338 + 270 = |
608
|
615
|
981
|
895
|
| 6. | 469 + 320 = |
608
|
789
|
879
|
665
|
| 7. | 500 + 331 = |
653
|
915
|
540
|
831
|
| 8. | 318 + 148 = |
492
|
326
|
466
|
341
|
| 9. | 359 + 259 = |
916
|
716
|
698
|
618
|
| 10. | 263 + 192 = |
455
|
325
|
243
|
304
|
| 11. | 313 + 189 = |
502
|
653
|
984
|
866
|
| 12. | 495 + 403 = |
825
|
939
|
576
|
898
|