Erbijsommen t/m 1.000
Optellen
| 1. | 343 + 230 = |
571
|
831
|
875
|
573
|
| 2. | 256 + 175 = |
239
|
400
|
431
|
208
|
| 3. | 440 + 406 = |
846
|
502
|
984
|
558
|
| 4. | 375 + 202 = |
577
|
831
|
592
|
894
|
| 5. | 222 + 139 = |
361
|
274
|
229
|
347
|
| 6. | 374 + 217 = |
895
|
591
|
940
|
707
|
| 7. | 300 + 150 = |
381
|
364
|
450
|
350
|
| 8. | 284 + 123 = |
302
|
407
|
403
|
254
|
| 9. | 250 + 173 = |
423
|
494
|
289
|
469
|
| 10. | 357 + 251 = |
608
|
568
|
823
|
539
|
| 11. | 404 + 186 = |
973
|
590
|
978
|
745
|
| 12. | 438 + 123 = |
561
|
506
|
746
|
817
|