Erbijsommen t/m 1.000
Optellen
| 1. | 453 + 395 = |
918
|
848
|
541
|
641
|
| 2. | 373 + 288 = |
549
|
817
|
661
|
838
|
| 3. | 453 + 105 = |
864
|
558
|
908
|
584
|
| 4. | 386 + 240 = |
626
|
643
|
682
|
746
|
| 5. | 457 + 430 = |
525
|
622
|
887
|
854
|
| 6. | 328 + 312 = |
640
|
749
|
763
|
869
|
| 7. | 415 + 354 = |
730
|
651
|
769
|
605
|
| 8. | 373 + 335 = |
708
|
537
|
779
|
835
|
| 9. | 337 + 297 = |
637
|
505
|
619
|
634
|
| 10. | 472 + 356 = |
805
|
828
|
557
|
947
|
| 11. | 340 + 211 = |
551
|
808
|
801
|
920
|
| 12. | 296 + 266 = |
966
|
790
|
887
|
562
|