Erbijsommen t/m 1.000
Optellen
| 1. | 251 + 219 = |
470
|
256
|
486
|
480
|
| 2. | 491 + 353 = |
578
|
948
|
844
|
524
|
| 3. | 214 + 139 = |
382
|
368
|
353
|
214
|
| 4. | 326 + 116 = |
438
|
442
|
275
|
345
|
| 5. | 269 + 211 = |
480
|
438
|
419
|
475
|
| 6. | 454 + 334 = |
511
|
663
|
788
|
749
|
| 7. | 481 + 340 = |
730
|
511
|
592
|
821
|
| 8. | 321 + 218 = |
934
|
867
|
734
|
539
|
| 9. | 295 + 138 = |
326
|
496
|
465
|
433
|
| 10. | 320 + 282 = |
602
|
823
|
505
|
955
|
| 11. | 454 + 445 = |
850
|
685
|
899
|
915
|
| 12. | 274 + 254 = |
528
|
615
|
531
|
779
|