Erbijsommen t/m 1.000
Optellen
| 1. | 288 + 135 = |
423
|
347
|
446
|
241
|
| 2. | 205 + 177 = |
241
|
382
|
288
|
349
|
| 3. | 191 + 162 = |
431
|
229
|
312
|
353
|
| 4. | 458 + 367 = |
626
|
757
|
825
|
599
|
| 5. | 378 + 347 = |
765
|
898
|
872
|
725
|
| 6. | 464 + 273 = |
540
|
664
|
753
|
737
|
| 7. | 333 + 229 = |
604
|
562
|
575
|
880
|
| 8. | 252 + 178 = |
430
|
347
|
436
|
212
|
| 9. | 450 + 412 = |
523
|
990
|
862
|
799
|
| 10. | 336 + 256 = |
592
|
744
|
630
|
854
|
| 11. | 457 + 138 = |
595
|
538
|
819
|
608
|
| 12. | 256 + 246 = |
502
|
921
|
704
|
841
|