Erbijsommen t/m 1.000
Optellen
| 1. | 271 + 214 = |
371
|
485
|
260
|
318
|
| 2. | 457 + 294 = |
802
|
751
|
632
|
720
|
| 3. | 486 + 179 = |
788
|
665
|
957
|
594
|
| 4. | 428 + 382 = |
581
|
811
|
780
|
810
|
| 5. | 486 + 391 = |
727
|
838
|
877
|
503
|
| 6. | 270 + 235 = |
667
|
505
|
585
|
879
|
| 7. | 406 + 258 = |
914
|
724
|
664
|
963
|
| 8. | 293 + 177 = |
277
|
447
|
470
|
237
|
| 9. | 485 + 240 = |
542
|
543
|
725
|
996
|
| 10. | 452 + 344 = |
618
|
796
|
525
|
751
|
| 11. | 214 + 188 = |
237
|
368
|
402
|
315
|
| 12. | 400 + 356 = |
698
|
756
|
599
|
808
|