Erbijsommen t/m 1.000
Optellen
| 1. | 496 + 271 = |
531
|
591
|
913
|
767
|
| 2. | 445 + 232 = |
669
|
677
|
972
|
857
|
| 3. | 459 + 403 = |
685
|
862
|
546
|
758
|
| 4. | 426 + 168 = |
545
|
594
|
783
|
549
|
| 5. | 272 + 184 = |
250
|
216
|
456
|
364
|
| 6. | 278 + 267 = |
891
|
520
|
646
|
545
|
| 7. | 215 + 159 = |
250
|
351
|
400
|
374
|
| 8. | 436 + 298 = |
734
|
805
|
819
|
841
|
| 9. | 329 + 207 = |
852
|
536
|
641
|
890
|
| 10. | 402 + 369 = |
973
|
779
|
771
|
749
|
| 11. | 234 + 150 = |
366
|
403
|
384
|
365
|
| 12. | 496 + 450 = |
713
|
862
|
965
|
946
|