Erbijsommen t/m 1.000
Optellen
| 1. | 140 + 129 = |
288
|
239
|
352
|
269
|
| 2. | 283 + 173 = |
332
|
305
|
456
|
341
|
| 3. | 399 + 112 = |
505
|
965
|
982
|
511
|
| 4. | 429 + 412 = |
841
|
628
|
609
|
824
|
| 5. | 406 + 232 = |
638
|
504
|
785
|
814
|
| 6. | 498 + 338 = |
605
|
816
|
960
|
836
|
| 7. | 462 + 183 = |
880
|
905
|
645
|
633
|
| 8. | 143 + 138 = |
382
|
281
|
295
|
294
|
| 9. | 255 + 250 = |
709
|
674
|
840
|
505
|
| 10. | 428 + 216 = |
818
|
864
|
644
|
578
|
| 11. | 415 + 168 = |
584
|
841
|
583
|
572
|
| 12. | 462 + 392 = |
654
|
854
|
626
|
710
|