Erbijsommen t/m 1.000
Optellen
| 1. | 271 + 207 = |
483
|
316
|
403
|
478
|
| 2. | 486 + 238 = |
575
|
724
|
892
|
738
|
| 3. | 271 + 217 = |
319
|
383
|
288
|
488
|
| 4. | 366 + 283 = |
735
|
799
|
917
|
649
|
| 5. | 350 + 347 = |
513
|
868
|
571
|
697
|
| 6. | 414 + 306 = |
945
|
921
|
702
|
720
|
| 7. | 356 + 146 = |
614
|
687
|
889
|
502
|
| 8. | 455 + 316 = |
648
|
674
|
717
|
771
|
| 9. | 474 + 418 = |
912
|
951
|
584
|
892
|
| 10. | 300 + 167 = |
456
|
467
|
317
|
208
|
| 11. | 456 + 416 = |
872
|
987
|
703
|
665
|
| 12. | 475 + 189 = |
946
|
928
|
664
|
940
|