Erbijsommen t/m 1.000
Optellen
| 1. | 474 + 179 = |
577
|
974
|
653
|
993
|
| 2. | 490 + 391 = |
938
|
881
|
706
|
985
|
| 3. | 358 + 236 = |
702
|
594
|
782
|
566
|
| 4. | 432 + 217 = |
649
|
718
|
638
|
928
|
| 5. | 368 + 145 = |
633
|
513
|
765
|
612
|
| 6. | 412 + 221 = |
756
|
853
|
633
|
614
|
| 7. | 410 + 120 = |
845
|
960
|
713
|
530
|
| 8. | 386 + 217 = |
860
|
603
|
798
|
584
|
| 9. | 475 + 261 = |
921
|
561
|
951
|
736
|
| 10. | 390 + 364 = |
754
|
618
|
785
|
610
|
| 11. | 315 + 228 = |
543
|
819
|
729
|
703
|
| 12. | 435 + 163 = |
562
|
911
|
786
|
598
|