Erbijsommen t/m 1.000
Optellen
| 1. | 349 + 330 = |
871
|
862
|
581
|
679
|
| 2. | 301 + 271 = |
762
|
590
|
674
|
572
|
| 3. | 482 + 308 = |
699
|
779
|
983
|
790
|
| 4. | 183 + 128 = |
452
|
336
|
311
|
278
|
| 5. | 244 + 120 = |
364
|
440
|
306
|
210
|
| 6. | 325 + 146 = |
240
|
234
|
210
|
471
|
| 7. | 355 + 277 = |
791
|
632
|
646
|
759
|
| 8. | 369 + 209 = |
827
|
578
|
962
|
862
|
| 9. | 324 + 168 = |
314
|
481
|
492
|
489
|
| 10. | 468 + 305 = |
773
|
694
|
689
|
564
|
| 11. | 358 + 343 = |
899
|
701
|
690
|
689
|
| 12. | 358 + 165 = |
621
|
582
|
810
|
523
|