Erbijsommen t/m 1.000
Optellen
| 1. | 393 + 360 = |
753
|
506
|
689
|
819
|
| 2. | 338 + 247 = |
724
|
585
|
617
|
775
|
| 3. | 266 + 229 = |
229
|
488
|
413
|
495
|
| 4. | 356 + 166 = |
981
|
629
|
592
|
522
|
| 5. | 469 + 272 = |
814
|
542
|
741
|
684
|
| 6. | 443 + 161 = |
534
|
604
|
752
|
981
|
| 7. | 457 + 229 = |
686
|
540
|
501
|
594
|
| 8. | 410 + 303 = |
850
|
833
|
875
|
713
|
| 9. | 173 + 145 = |
497
|
316
|
398
|
318
|
| 10. | 480 + 316 = |
644
|
877
|
796
|
645
|
| 11. | 471 + 202 = |
673
|
967
|
779
|
643
|
| 12. | 254 + 213 = |
223
|
381
|
403
|
467
|