Erbijsommen t/m 1.000
Optellen
| 1. | 479 + 326 = |
635
|
861
|
816
|
805
|
| 2. | 488 + 305 = |
798
|
981
|
793
|
820
|
| 3. | 438 + 259 = |
753
|
697
|
866
|
818
|
| 4. | 374 + 313 = |
984
|
863
|
531
|
687
|
| 5. | 497 + 405 = |
679
|
831
|
902
|
622
|
| 6. | 489 + 149 = |
638
|
851
|
898
|
975
|
| 7. | 295 + 192 = |
403
|
460
|
487
|
304
|
| 8. | 459 + 301 = |
830
|
752
|
760
|
527
|
| 9. | 465 + 241 = |
595
|
706
|
507
|
517
|
| 10. | 269 + 141 = |
413
|
410
|
414
|
456
|
| 11. | 355 + 193 = |
617
|
836
|
874
|
548
|
| 12. | 489 + 379 = |
548
|
802
|
868
|
956
|