Erbijsommen t/m 1.000
Optellen
| 1. | 485 + 299 = |
737
|
785
|
533
|
784
|
| 2. | 469 + 141 = |
736
|
610
|
519
|
756
|
| 3. | 205 + 141 = |
325
|
202
|
387
|
346
|
| 4. | 458 + 228 = |
508
|
564
|
918
|
686
|
| 5. | 308 + 272 = |
753
|
580
|
923
|
536
|
| 6. | 498 + 469 = |
528
|
952
|
656
|
967
|
| 7. | 403 + 361 = |
764
|
789
|
837
|
578
|
| 8. | 374 + 263 = |
844
|
686
|
995
|
637
|
| 9. | 490 + 156 = |
669
|
536
|
604
|
646
|
| 10. | 432 + 174 = |
606
|
976
|
581
|
742
|
| 11. | 469 + 130 = |
804
|
718
|
599
|
785
|
| 12. | 481 + 420 = |
733
|
945
|
696
|
901
|