Erbijsommen t/m 1.000
Optellen
| 1. | 335 + 266 = |
985
|
988
|
601
|
512
|
| 2. | 363 + 207 = |
561
|
942
|
570
|
841
|
| 3. | 473 + 209 = |
960
|
684
|
994
|
682
|
| 4. | 413 + 399 = |
812
|
713
|
664
|
725
|
| 5. | 252 + 174 = |
386
|
324
|
426
|
216
|
| 6. | 269 + 172 = |
441
|
319
|
408
|
377
|
| 7. | 449 + 345 = |
944
|
794
|
718
|
745
|
| 8. | 310 + 238 = |
584
|
548
|
853
|
664
|
| 9. | 231 + 175 = |
252
|
406
|
388
|
319
|
| 10. | 372 + 345 = |
644
|
717
|
820
|
521
|
| 11. | 262 + 193 = |
377
|
455
|
373
|
355
|
| 12. | 170 + 158 = |
328
|
337
|
469
|
334
|