Erbijsommen t/m 1.000
Optellen
| 1. | 402 + 344 = |
777
|
774
|
746
|
804
|
| 2. | 426 + 417 = |
958
|
540
|
843
|
714
|
| 3. | 440 + 417 = |
546
|
978
|
857
|
827
|
| 4. | 344 + 306 = |
882
|
650
|
569
|
809
|
| 5. | 417 + 164 = |
915
|
620
|
581
|
813
|
| 6. | 427 + 207 = |
976
|
580
|
634
|
786
|
| 7. | 450 + 233 = |
683
|
608
|
506
|
725
|
| 8. | 381 + 308 = |
535
|
689
|
679
|
599
|
| 9. | 199 + 140 = |
233
|
344
|
339
|
310
|
| 10. | 450 + 169 = |
619
|
901
|
683
|
640
|
| 11. | 471 + 196 = |
894
|
823
|
667
|
679
|
| 12. | 481 + 285 = |
663
|
652
|
510
|
766
|