Erbijsommen t/m 1.000
Optellen
| 1. | 470 + 385 = |
929
|
855
|
851
|
968
|
| 2. | 409 + 117 = |
539
|
582
|
526
|
812
|
| 3. | 483 + 243 = |
726
|
869
|
575
|
647
|
| 4. | 439 + 134 = |
573
|
847
|
812
|
643
|
| 5. | 399 + 264 = |
622
|
663
|
707
|
868
|
| 6. | 332 + 321 = |
651
|
653
|
715
|
794
|
| 7. | 444 + 240 = |
684
|
674
|
596
|
932
|
| 8. | 340 + 126 = |
420
|
406
|
466
|
394
|
| 9. | 311 + 192 = |
503
|
680
|
707
|
563
|
| 10. | 436 + 257 = |
951
|
746
|
693
|
692
|
| 11. | 443 + 151 = |
544
|
594
|
698
|
963
|
| 12. | 427 + 377 = |
926
|
917
|
502
|
804
|