Erbijsommen t/m 1.000
Optellen
| 1. | 106 + 101 = |
308
|
232
|
434
|
207
|
| 2. | 381 + 177 = |
642
|
558
|
727
|
603
|
| 3. | 251 + 248 = |
471
|
457
|
241
|
499
|
| 4. | 442 + 222 = |
664
|
989
|
716
|
586
|
| 5. | 255 + 196 = |
451
|
376
|
252
|
429
|
| 6. | 233 + 176 = |
317
|
230
|
249
|
409
|
| 7. | 358 + 283 = |
641
|
844
|
846
|
850
|
| 8. | 440 + 315 = |
594
|
783
|
766
|
755
|
| 9. | 279 + 223 = |
882
|
708
|
538
|
502
|
| 10. | 458 + 237 = |
564
|
597
|
769
|
695
|
| 11. | 385 + 298 = |
764
|
683
|
804
|
674
|
| 12. | 410 + 252 = |
610
|
662
|
603
|
934
|