Erbijsommen t/m 1.000
Optellen
| 1. | 458 + 125 = |
583
|
882
|
840
|
521
|
| 2. | 404 + 161 = |
712
|
875
|
565
|
821
|
| 3. | 474 + 248 = |
722
|
702
|
860
|
751
|
| 4. | 241 + 179 = |
420
|
392
|
466
|
260
|
| 5. | 419 + 126 = |
521
|
736
|
778
|
545
|
| 6. | 479 + 119 = |
632
|
951
|
598
|
764
|
| 7. | 448 + 186 = |
571
|
776
|
634
|
543
|
| 8. | 229 + 161 = |
425
|
405
|
390
|
221
|
| 9. | 484 + 373 = |
585
|
992
|
915
|
857
|
| 10. | 414 + 305 = |
728
|
588
|
643
|
719
|
| 11. | 464 + 370 = |
751
|
834
|
908
|
697
|
| 12. | 312 + 174 = |
302
|
285
|
486
|
405
|