Erbijsommen t/m 1.000
Optellen
| 1. | 278 + 212 = |
490
|
367
|
315
|
387
|
| 2. | 217 + 197 = |
317
|
414
|
389
|
240
|
| 3. | 177 + 119 = |
312
|
296
|
319
|
465
|
| 4. | 436 + 181 = |
617
|
724
|
897
|
680
|
| 5. | 328 + 144 = |
472
|
209
|
453
|
217
|
| 6. | 422 + 319 = |
741
|
572
|
578
|
791
|
| 7. | 175 + 146 = |
221
|
326
|
321
|
239
|
| 8. | 315 + 242 = |
645
|
749
|
871
|
557
|
| 9. | 312 + 305 = |
617
|
832
|
853
|
584
|
| 10. | 417 + 257 = |
969
|
679
|
674
|
818
|
| 11. | 435 + 164 = |
861
|
503
|
599
|
514
|
| 12. | 457 + 197 = |
708
|
654
|
627
|
891
|