Erbijsommen t/m 1.000
Optellen
| 1. | 383 + 160 = |
889
|
996
|
543
|
635
|
| 2. | 467 + 322 = |
670
|
574
|
789
|
600
|
| 3. | 422 + 214 = |
956
|
636
|
714
|
608
|
| 4. | 476 + 208 = |
626
|
872
|
684
|
831
|
| 5. | 475 + 406 = |
989
|
881
|
904
|
928
|
| 6. | 312 + 178 = |
283
|
490
|
489
|
495
|
| 7. | 399 + 352 = |
616
|
751
|
786
|
513
|
| 8. | 481 + 396 = |
912
|
589
|
841
|
877
|
| 9. | 226 + 159 = |
391
|
426
|
385
|
258
|
| 10. | 451 + 151 = |
872
|
882
|
602
|
803
|
| 11. | 415 + 373 = |
942
|
788
|
820
|
842
|
| 12. | 128 + 111 = |
497
|
239
|
409
|
415
|