Erbijsommen t/m 1.000
Optellen
| 1. | 417 + 173 = |
863
|
693
|
831
|
590
|
| 2. | 396 + 351 = |
712
|
747
|
835
|
1.000
|
| 3. | 460 + 224 = |
684
|
718
|
582
|
714
|
| 4. | 305 + 301 = |
926
|
819
|
782
|
606
|
| 5. | 297 + 246 = |
623
|
543
|
939
|
610
|
| 6. | 218 + 165 = |
357
|
408
|
450
|
383
|
| 7. | 469 + 167 = |
600
|
636
|
656
|
567
|
| 8. | 211 + 107 = |
357
|
492
|
318
|
387
|
| 9. | 365 + 220 = |
585
|
631
|
739
|
639
|
| 10. | 262 + 250 = |
751
|
513
|
627
|
512
|
| 11. | 345 + 190 = |
535
|
826
|
901
|
626
|
| 12. | 478 + 284 = |
525
|
850
|
920
|
762
|