Erbijsommen t/m 1.000
Optellen
| 1. | 230 + 171 = |
200
|
313
|
486
|
401
|
| 2. | 491 + 382 = |
873
|
867
|
819
|
866
|
| 3. | 337 + 199 = |
563
|
536
|
874
|
853
|
| 4. | 365 + 358 = |
654
|
887
|
709
|
723
|
| 5. | 212 + 150 = |
356
|
334
|
362
|
254
|
| 6. | 348 + 293 = |
641
|
609
|
581
|
988
|
| 7. | 429 + 176 = |
997
|
937
|
605
|
762
|
| 8. | 204 + 117 = |
368
|
321
|
317
|
450
|
| 9. | 432 + 226 = |
559
|
547
|
658
|
550
|
| 10. | 470 + 312 = |
834
|
782
|
726
|
570
|
| 11. | 283 + 122 = |
447
|
437
|
271
|
405
|
| 12. | 254 + 181 = |
343
|
302
|
463
|
435
|