Erbijsommen t/m 1.000
Optellen
| 1. | 351 + 347 = |
805
|
698
|
513
|
615
|
| 2. | 439 + 308 = |
747
|
722
|
561
|
912
|
| 3. | 307 + 279 = |
583
|
555
|
891
|
586
|
| 4. | 455 + 246 = |
701
|
732
|
537
|
511
|
| 5. | 448 + 123 = |
632
|
810
|
843
|
571
|
| 6. | 436 + 243 = |
526
|
679
|
991
|
840
|
| 7. | 457 + 130 = |
587
|
664
|
709
|
523
|
| 8. | 410 + 239 = |
536
|
649
|
915
|
867
|
| 9. | 312 + 296 = |
981
|
608
|
873
|
595
|
| 10. | 289 + 123 = |
331
|
413
|
412
|
495
|
| 11. | 435 + 398 = |
833
|
643
|
815
|
597
|
| 12. | 174 + 118 = |
237
|
212
|
292
|
353
|