Erbijsommen t/m 1.000
Optellen
| 1. | 328 + 161 = |
489
|
366
|
458
|
269
|
| 2. | 393 + 278 = |
906
|
800
|
671
|
577
|
| 3. | 365 + 145 = |
983
|
998
|
510
|
702
|
| 4. | 407 + 360 = |
673
|
710
|
767
|
659
|
| 5. | 463 + 120 = |
766
|
987
|
583
|
700
|
| 6. | 418 + 231 = |
902
|
555
|
649
|
879
|
| 7. | 491 + 471 = |
962
|
573
|
952
|
524
|
| 8. | 159 + 133 = |
467
|
413
|
292
|
466
|
| 9. | 410 + 244 = |
538
|
790
|
654
|
600
|
| 10. | 336 + 243 = |
794
|
640
|
863
|
579
|
| 11. | 307 + 166 = |
371
|
275
|
473
|
486
|
| 12. | 356 + 344 = |
700
|
511
|
558
|
916
|