Erbijsommen t/m 1.000
Optellen
| 1. | 471 + 238 = |
709
|
760
|
972
|
642
|
| 2. | 428 + 154 = |
582
|
844
|
990
|
714
|
| 3. | 373 + 258 = |
694
|
779
|
631
|
645
|
| 4. | 379 + 369 = |
748
|
630
|
778
|
860
|
| 5. | 464 + 295 = |
680
|
759
|
618
|
781
|
| 6. | 426 + 389 = |
815
|
851
|
748
|
913
|
| 7. | 132 + 111 = |
243
|
498
|
433
|
310
|
| 8. | 387 + 189 = |
918
|
616
|
576
|
659
|
| 9. | 326 + 179 = |
851
|
698
|
736
|
505
|
| 10. | 407 + 145 = |
734
|
689
|
503
|
552
|
| 11. | 237 + 199 = |
425
|
436
|
485
|
215
|
| 12. | 418 + 247 = |
904
|
835
|
665
|
960
|