Erbijsommen t/m 1.000
Optellen
| 1. | 421 + 392 = |
946
|
825
|
988
|
813
|
| 2. | 471 + 301 = |
576
|
595
|
645
|
772
|
| 3. | 496 + 477 = |
973
|
594
|
943
|
951
|
| 4. | 441 + 185 = |
699
|
843
|
842
|
626
|
| 5. | 347 + 185 = |
532
|
825
|
612
|
785
|
| 6. | 361 + 347 = |
708
|
808
|
559
|
881
|
| 7. | 374 + 174 = |
780
|
548
|
762
|
697
|
| 8. | 415 + 183 = |
745
|
536
|
627
|
598
|
| 9. | 359 + 212 = |
570
|
818
|
682
|
571
|
| 10. | 411 + 391 = |
529
|
802
|
930
|
593
|
| 11. | 396 + 109 = |
655
|
505
|
929
|
854
|
| 12. | 322 + 276 = |
598
|
877
|
604
|
774
|