Erbijsommen t/m 1.000
Optellen
| 1. | 351 + 129 = |
461
|
358
|
480
|
453
|
| 2. | 363 + 262 = |
871
|
981
|
625
|
574
|
| 3. | 464 + 446 = |
910
|
683
|
553
|
993
|
| 4. | 420 + 170 = |
667
|
760
|
590
|
580
|
| 5. | 294 + 179 = |
396
|
488
|
473
|
231
|
| 6. | 352 + 203 = |
555
|
781
|
875
|
837
|
| 7. | 360 + 337 = |
697
|
792
|
771
|
714
|
| 8. | 470 + 239 = |
530
|
750
|
566
|
709
|
| 9. | 491 + 204 = |
936
|
941
|
695
|
811
|
| 10. | 463 + 237 = |
870
|
895
|
527
|
700
|
| 11. | 307 + 270 = |
594
|
904
|
949
|
577
|
| 12. | 420 + 167 = |
587
|
858
|
564
|
918
|