Erbijsommen t/m 1.000
Optellen
| 1. | 493 + 391 = |
884
|
517
|
894
|
590
|
| 2. | 420 + 272 = |
915
|
587
|
886
|
692
|
| 3. | 208 + 204 = |
434
|
283
|
412
|
414
|
| 4. | 411 + 393 = |
708
|
556
|
804
|
726
|
| 5. | 442 + 109 = |
966
|
668
|
935
|
551
|
| 6. | 253 + 246 = |
232
|
251
|
435
|
499
|
| 7. | 337 + 333 = |
750
|
508
|
831
|
670
|
| 8. | 388 + 337 = |
725
|
642
|
724
|
571
|
| 9. | 459 + 292 = |
751
|
915
|
718
|
576
|
| 10. | 252 + 151 = |
463
|
217
|
403
|
341
|
| 11. | 346 + 334 = |
774
|
507
|
680
|
828
|
| 12. | 305 + 223 = |
815
|
693
|
528
|
731
|