Erbijsommen t/m 1.000
Optellen
| 1. | 484 + 354 = |
838
|
899
|
534
|
702
|
| 2. | 493 + 246 = |
739
|
784
|
953
|
886
|
| 3. | 434 + 174 = |
663
|
608
|
752
|
694
|
| 4. | 408 + 262 = |
670
|
587
|
782
|
697
|
| 5. | 288 + 164 = |
477
|
499
|
452
|
270
|
| 6. | 377 + 373 = |
750
|
921
|
574
|
583
|
| 7. | 396 + 339 = |
735
|
617
|
766
|
985
|
| 8. | 477 + 276 = |
753
|
891
|
823
|
624
|
| 9. | 488 + 137 = |
878
|
522
|
633
|
625
|
| 10. | 313 + 140 = |
360
|
402
|
264
|
453
|
| 11. | 453 + 414 = |
549
|
921
|
867
|
697
|
| 12. | 287 + 121 = |
408
|
490
|
316
|
349
|