Erbijsommen t/m 1.000
Optellen
| 1. | 347 + 305 = |
652
|
699
|
884
|
847
|
| 2. | 297 + 207 = |
504
|
560
|
568
|
709
|
| 3. | 427 + 195 = |
622
|
581
|
768
|
906
|
| 4. | 401 + 273 = |
705
|
577
|
619
|
674
|
| 5. | 306 + 187 = |
322
|
282
|
488
|
493
|
| 6. | 431 + 222 = |
939
|
834
|
808
|
653
|
| 7. | 451 + 214 = |
756
|
643
|
665
|
759
|
| 8. | 211 + 102 = |
434
|
349
|
313
|
231
|
| 9. | 235 + 209 = |
264
|
444
|
320
|
293
|
| 10. | 228 + 138 = |
395
|
275
|
245
|
366
|
| 11. | 376 + 239 = |
865
|
638
|
623
|
615
|
| 12. | 318 + 298 = |
616
|
860
|
684
|
579
|