Erbijsommen t/m 1.000
Optellen
| 1. | 314 + 199 = |
911
|
771
|
574
|
513
|
| 2. | 292 + 199 = |
480
|
437
|
491
|
293
|
| 3. | 498 + 390 = |
888
|
618
|
902
|
656
|
| 4. | 457 + 405 = |
705
|
988
|
804
|
862
|
| 5. | 145 + 122 = |
437
|
267
|
494
|
255
|
| 6. | 380 + 345 = |
898
|
650
|
840
|
725
|
| 7. | 186 + 132 = |
472
|
283
|
318
|
361
|
| 8. | 472 + 374 = |
890
|
957
|
767
|
846
|
| 9. | 212 + 169 = |
374
|
307
|
427
|
381
|
| 10. | 341 + 143 = |
301
|
455
|
309
|
484
|
| 11. | 264 + 166 = |
463
|
393
|
430
|
486
|
| 12. | 314 + 111 = |
231
|
388
|
425
|
453
|