Erbijsommen t/m 1.000
Optellen
| 1. | 391 + 356 = |
747
|
749
|
628
|
966
|
| 2. | 261 + 131 = |
460
|
332
|
392
|
246
|
| 3. | 363 + 202 = |
565
|
556
|
785
|
572
|
| 4. | 326 + 145 = |
471
|
455
|
240
|
271
|
| 5. | 278 + 129 = |
393
|
407
|
474
|
232
|
| 6. | 455 + 409 = |
688
|
942
|
864
|
511
|
| 7. | 395 + 358 = |
655
|
789
|
541
|
753
|
| 8. | 478 + 325 = |
740
|
503
|
828
|
803
|
| 9. | 272 + 235 = |
725
|
551
|
714
|
507
|
| 10. | 414 + 294 = |
883
|
784
|
667
|
708
|
| 11. | 339 + 158 = |
336
|
497
|
357
|
255
|
| 12. | 492 + 103 = |
575
|
595
|
747
|
975
|