Erbijsommen t/m 1.000
Optellen
| 1. | 428 + 331 = |
759
|
944
|
839
|
965
|
| 2. | 447 + 408 = |
954
|
883
|
855
|
729
|
| 3. | 404 + 231 = |
992
|
635
|
834
|
749
|
| 4. | 374 + 140 = |
514
|
711
|
520
|
620
|
| 5. | 469 + 408 = |
877
|
965
|
882
|
849
|
| 6. | 450 + 201 = |
651
|
877
|
979
|
923
|
| 7. | 291 + 274 = |
701
|
946
|
565
|
852
|
| 8. | 489 + 155 = |
996
|
644
|
986
|
501
|
| 9. | 424 + 206 = |
652
|
837
|
630
|
998
|
| 10. | 428 + 354 = |
687
|
967
|
739
|
782
|
| 11. | 319 + 198 = |
562
|
909
|
517
|
510
|
| 12. | 416 + 195 = |
611
|
581
|
583
|
875
|