Erbijsommen t/m 1.000
Optellen
| 1. | 256 + 176 = |
429
|
432
|
421
|
229
|
| 2. | 432 + 310 = |
742
|
924
|
982
|
718
|
| 3. | 442 + 121 = |
515
|
563
|
855
|
520
|
| 4. | 448 + 379 = |
827
|
704
|
745
|
537
|
| 5. | 277 + 225 = |
502
|
670
|
825
|
521
|
| 6. | 478 + 358 = |
551
|
813
|
836
|
821
|
| 7. | 359 + 183 = |
542
|
574
|
520
|
509
|
| 8. | 460 + 446 = |
734
|
887
|
906
|
854
|
| 9. | 273 + 170 = |
248
|
411
|
443
|
430
|
| 10. | 428 + 242 = |
641
|
820
|
531
|
670
|
| 11. | 389 + 179 = |
875
|
568
|
913
|
933
|
| 12. | 339 + 255 = |
731
|
594
|
672
|
630
|