Erbijsommen t/m 1.000
Optellen
| 1. | 468 + 271 = |
739
|
727
|
615
|
701
|
| 2. | 375 + 212 = |
839
|
680
|
520
|
587
|
| 3. | 423 + 382 = |
949
|
805
|
896
|
901
|
| 4. | 442 + 356 = |
825
|
961
|
798
|
984
|
| 5. | 407 + 204 = |
611
|
547
|
743
|
867
|
| 6. | 190 + 173 = |
363
|
223
|
325
|
413
|
| 7. | 382 + 331 = |
713
|
592
|
776
|
611
|
| 8. | 166 + 125 = |
407
|
415
|
291
|
336
|
| 9. | 462 + 236 = |
558
|
698
|
621
|
949
|
| 10. | 338 + 120 = |
409
|
234
|
458
|
407
|
| 11. | 422 + 337 = |
996
|
818
|
759
|
608
|
| 12. | 409 + 171 = |
573
|
536
|
642
|
580
|