Erbijsommen t/m 1.000
Optellen
| 1. | 281 + 177 = |
487
|
458
|
328
|
321
|
| 2. | 261 + 155 = |
200
|
295
|
416
|
232
|
| 3. | 468 + 126 = |
882
|
731
|
594
|
614
|
| 4. | 485 + 433 = |
829
|
825
|
574
|
918
|
| 5. | 448 + 427 = |
908
|
875
|
946
|
570
|
| 6. | 179 + 118 = |
242
|
365
|
297
|
286
|
| 7. | 396 + 182 = |
780
|
578
|
831
|
830
|
| 8. | 408 + 225 = |
920
|
955
|
936
|
633
|
| 9. | 375 + 207 = |
582
|
788
|
682
|
758
|
| 10. | 364 + 107 = |
496
|
471
|
219
|
414
|
| 11. | 434 + 335 = |
664
|
883
|
769
|
642
|
| 12. | 462 + 451 = |
974
|
891
|
730
|
913
|