Erbijsommen t/m 1.000
Optellen
| 1. | 498 + 359 = |
744
|
857
|
746
|
723
|
| 2. | 421 + 353 = |
977
|
529
|
774
|
626
|
| 3. | 392 + 122 = |
642
|
776
|
576
|
514
|
| 4. | 472 + 114 = |
586
|
532
|
544
|
909
|
| 5. | 479 + 159 = |
638
|
663
|
529
|
679
|
| 6. | 444 + 314 = |
961
|
958
|
758
|
574
|
| 7. | 197 + 195 = |
335
|
392
|
399
|
259
|
| 8. | 201 + 139 = |
357
|
446
|
340
|
375
|
| 9. | 332 + 276 = |
577
|
907
|
608
|
880
|
| 10. | 429 + 315 = |
647
|
969
|
531
|
744
|
| 11. | 287 + 228 = |
622
|
515
|
500
|
932
|
| 12. | 466 + 345 = |
626
|
590
|
811
|
916
|