Erbijsommen t/m 1.000
Optellen
| 1. | 406 + 296 = |
702
|
513
|
641
|
536
|
| 2. | 385 + 191 = |
579
|
576
|
804
|
660
|
| 3. | 450 + 284 = |
880
|
517
|
734
|
710
|
| 4. | 478 + 128 = |
522
|
606
|
809
|
749
|
| 5. | 376 + 271 = |
564
|
857
|
778
|
647
|
| 6. | 354 + 238 = |
837
|
664
|
814
|
592
|
| 7. | 127 + 102 = |
451
|
336
|
229
|
248
|
| 8. | 420 + 391 = |
546
|
876
|
555
|
811
|
| 9. | 230 + 213 = |
443
|
202
|
343
|
356
|
| 10. | 435 + 200 = |
873
|
707
|
852
|
635
|
| 11. | 346 + 195 = |
936
|
796
|
541
|
975
|
| 12. | 358 + 272 = |
936
|
769
|
776
|
630
|