Erbijsommen t/m 1.000
Optellen
| 1. | 470 + 308 = |
647
|
778
|
842
|
945
|
| 2. | 456 + 279 = |
735
|
979
|
671
|
717
|
| 3. | 340 + 276 = |
755
|
616
|
994
|
968
|
| 4. | 492 + 468 = |
760
|
989
|
960
|
703
|
| 5. | 410 + 103 = |
508
|
531
|
513
|
568
|
| 6. | 480 + 221 = |
701
|
825
|
645
|
529
|
| 7. | 491 + 388 = |
787
|
879
|
976
|
788
|
| 8. | 462 + 445 = |
781
|
744
|
907
|
598
|
| 9. | 420 + 388 = |
890
|
747
|
602
|
808
|
| 10. | 458 + 140 = |
633
|
974
|
598
|
507
|
| 11. | 437 + 127 = |
847
|
564
|
903
|
864
|
| 12. | 455 + 412 = |
563
|
847
|
867
|
611
|