Erbijsommen t/m 1.000
Optellen
| 1. | 382 + 264 = |
646
|
580
|
504
|
993
|
| 2. | 331 + 215 = |
546
|
1.000
|
662
|
869
|
| 3. | 292 + 288 = |
853
|
773
|
946
|
580
|
| 4. | 319 + 258 = |
623
|
897
|
702
|
577
|
| 5. | 485 + 406 = |
970
|
891
|
552
|
652
|
| 6. | 350 + 251 = |
691
|
545
|
693
|
601
|
| 7. | 226 + 107 = |
271
|
449
|
333
|
254
|
| 8. | 482 + 116 = |
840
|
598
|
528
|
941
|
| 9. | 310 + 160 = |
489
|
481
|
332
|
470
|
| 10. | 335 + 110 = |
468
|
445
|
274
|
361
|
| 11. | 488 + 328 = |
779
|
816
|
815
|
850
|
| 12. | 457 + 251 = |
525
|
708
|
779
|
773
|