Erbijsommen t/m 1.000
Optellen
| 1. | 454 + 350 = |
804
|
535
|
689
|
916
|
| 2. | 490 + 178 = |
648
|
668
|
955
|
985
|
| 3. | 450 + 448 = |
803
|
619
|
875
|
898
|
| 4. | 430 + 279 = |
849
|
709
|
604
|
778
|
| 5. | 438 + 165 = |
723
|
898
|
701
|
603
|
| 6. | 377 + 213 = |
590
|
872
|
856
|
561
|
| 7. | 165 + 163 = |
389
|
435
|
457
|
328
|
| 8. | 204 + 121 = |
342
|
325
|
239
|
467
|
| 9. | 455 + 143 = |
543
|
902
|
598
|
794
|
| 10. | 407 + 256 = |
721
|
595
|
663
|
864
|
| 11. | 491 + 232 = |
661
|
607
|
505
|
723
|
| 12. | 500 + 111 = |
611
|
683
|
754
|
560
|