Erbijsommen t/m 1.000
Optellen
| 1. | 394 + 388 = |
782
|
889
|
669
|
657
|
| 2. | 299 + 122 = |
465
|
439
|
421
|
400
|
| 3. | 392 + 191 = |
983
|
798
|
583
|
840
|
| 4. | 370 + 366 = |
920
|
714
|
736
|
954
|
| 5. | 435 + 161 = |
596
|
502
|
651
|
851
|
| 6. | 400 + 311 = |
912
|
646
|
711
|
667
|
| 7. | 456 + 193 = |
948
|
551
|
649
|
501
|
| 8. | 380 + 141 = |
808
|
877
|
828
|
521
|
| 9. | 213 + 175 = |
391
|
438
|
466
|
388
|
| 10. | 216 + 169 = |
327
|
385
|
464
|
395
|
| 11. | 399 + 386 = |
960
|
785
|
878
|
581
|
| 12. | 452 + 371 = |
636
|
815
|
823
|
917
|