Erbijsommen t/m 1.000
Optellen
| 1. | 442 + 136 = |
542
|
521
|
957
|
578
|
| 2. | 448 + 378 = |
826
|
627
|
773
|
967
|
| 3. | 165 + 127 = |
406
|
203
|
292
|
460
|
| 4. | 355 + 307 = |
866
|
620
|
662
|
987
|
| 5. | 394 + 317 = |
870
|
934
|
711
|
888
|
| 6. | 244 + 127 = |
209
|
430
|
379
|
371
|
| 7. | 248 + 246 = |
494
|
437
|
408
|
311
|
| 8. | 313 + 300 = |
828
|
984
|
613
|
675
|
| 9. | 384 + 194 = |
808
|
578
|
982
|
887
|
| 10. | 397 + 241 = |
638
|
511
|
976
|
877
|
| 11. | 452 + 335 = |
578
|
793
|
787
|
680
|
| 12. | 404 + 305 = |
811
|
665
|
709
|
733
|