Erbijsommen t/m 1.000
Optellen
| 1. | 231 + 114 = |
321
|
383
|
421
|
345
|
| 2. | 465 + 218 = |
683
|
674
|
903
|
511
|
| 3. | 297 + 159 = |
473
|
384
|
257
|
456
|
| 4. | 411 + 373 = |
784
|
513
|
661
|
875
|
| 5. | 274 + 259 = |
551
|
506
|
729
|
533
|
| 6. | 328 + 277 = |
808
|
894
|
605
|
953
|
| 7. | 489 + 185 = |
563
|
717
|
979
|
674
|
| 8. | 415 + 132 = |
547
|
866
|
906
|
985
|
| 9. | 309 + 305 = |
621
|
614
|
589
|
928
|
| 10. | 474 + 256 = |
909
|
677
|
542
|
730
|
| 11. | 384 + 380 = |
975
|
764
|
829
|
592
|
| 12. | 219 + 200 = |
402
|
271
|
278
|
419
|