Erbijsommen t/m 1.000
Optellen
| 1. | 429 + 401 = |
567
|
989
|
992
|
830
|
| 2. | 410 + 194 = |
695
|
873
|
574
|
604
|
| 3. | 422 + 230 = |
612
|
720
|
652
|
929
|
| 4. | 396 + 393 = |
789
|
875
|
607
|
812
|
| 5. | 389 + 363 = |
752
|
810
|
503
|
943
|
| 6. | 468 + 333 = |
644
|
691
|
801
|
921
|
| 7. | 433 + 344 = |
777
|
533
|
523
|
699
|
| 8. | 424 + 116 = |
745
|
510
|
540
|
512
|
| 9. | 345 + 197 = |
856
|
974
|
542
|
952
|
| 10. | 370 + 199 = |
569
|
622
|
522
|
692
|
| 11. | 456 + 334 = |
924
|
539
|
848
|
790
|
| 12. | 368 + 191 = |
578
|
510
|
656
|
559
|