Erbijsommen t/m 1.000
Optellen
| 1. | 320 + 281 = |
601
|
525
|
686
|
823
|
| 2. | 389 + 174 = |
580
|
563
|
906
|
991
|
| 3. | 336 + 106 = |
442
|
238
|
428
|
423
|
| 4. | 434 + 272 = |
880
|
706
|
945
|
644
|
| 5. | 374 + 119 = |
329
|
258
|
493
|
500
|
| 6. | 280 + 279 = |
927
|
827
|
611
|
559
|
| 7. | 391 + 371 = |
594
|
762
|
861
|
602
|
| 8. | 359 + 220 = |
785
|
554
|
532
|
579
|
| 9. | 122 + 120 = |
351
|
215
|
242
|
434
|
| 10. | 336 + 207 = |
866
|
543
|
990
|
560
|
| 11. | 396 + 255 = |
742
|
913
|
651
|
570
|
| 12. | 478 + 147 = |
625
|
962
|
842
|
596
|