Erbijsommen t/m 1.000
Optellen
| 1. | 308 + 270 = |
725
|
578
|
687
|
711
|
| 2. | 369 + 177 = |
550
|
546
|
556
|
900
|
| 3. | 432 + 157 = |
721
|
934
|
589
|
923
|
| 4. | 348 + 103 = |
404
|
451
|
370
|
401
|
| 5. | 384 + 357 = |
741
|
510
|
771
|
983
|
| 6. | 352 + 142 = |
316
|
318
|
494
|
442
|
| 7. | 204 + 202 = |
406
|
248
|
431
|
410
|
| 8. | 491 + 458 = |
949
|
816
|
966
|
584
|
| 9. | 134 + 108 = |
499
|
242
|
327
|
469
|
| 10. | 146 + 114 = |
260
|
478
|
325
|
413
|
| 11. | 216 + 170 = |
206
|
214
|
489
|
386
|
| 12. | 218 + 110 = |
288
|
361
|
328
|
421
|