Erbijsommen t/m 1.000
Optellen
| 1. | 427 + 173 = |
509
|
600
|
994
|
508
|
| 2. | 373 + 260 = |
633
|
905
|
801
|
903
|
| 3. | 490 + 397 = |
518
|
751
|
870
|
887
|
| 4. | 492 + 294 = |
906
|
952
|
786
|
804
|
| 5. | 181 + 140 = |
245
|
321
|
364
|
334
|
| 6. | 468 + 212 = |
680
|
970
|
529
|
645
|
| 7. | 488 + 367 = |
632
|
913
|
855
|
603
|
| 8. | 388 + 150 = |
538
|
713
|
866
|
627
|
| 9. | 365 + 139 = |
917
|
797
|
864
|
504
|
| 10. | 495 + 169 = |
900
|
905
|
639
|
664
|
| 11. | 213 + 189 = |
431
|
402
|
280
|
283
|
| 12. | 415 + 311 = |
645
|
561
|
726
|
986
|