Erbijsommen t/m 1.000
Optellen
| 1. | 418 + 351 = |
769
|
578
|
611
|
848
|
| 2. | 368 + 135 = |
503
|
824
|
964
|
928
|
| 3. | 307 + 260 = |
857
|
752
|
567
|
670
|
| 4. | 175 + 110 = |
285
|
367
|
456
|
408
|
| 5. | 454 + 327 = |
588
|
781
|
983
|
802
|
| 6. | 420 + 172 = |
592
|
821
|
800
|
565
|
| 7. | 415 + 169 = |
854
|
584
|
934
|
583
|
| 8. | 410 + 121 = |
980
|
809
|
531
|
848
|
| 9. | 385 + 103 = |
488
|
445
|
386
|
451
|
| 10. | 470 + 258 = |
705
|
728
|
957
|
961
|
| 11. | 451 + 118 = |
569
|
936
|
645
|
870
|
| 12. | 453 + 288 = |
835
|
696
|
741
|
598
|