Erbijsommen t/m 1.000
Optellen
| 1. | 386 + 362 = |
643
|
658
|
742
|
748
|
| 2. | 134 + 133 = |
363
|
267
|
316
|
206
|
| 3. | 249 + 204 = |
398
|
459
|
269
|
453
|
| 4. | 286 + 191 = |
234
|
306
|
477
|
211
|
| 5. | 447 + 240 = |
505
|
784
|
687
|
971
|
| 6. | 443 + 308 = |
751
|
992
|
776
|
563
|
| 7. | 230 + 198 = |
428
|
403
|
364
|
439
|
| 8. | 490 + 419 = |
760
|
958
|
909
|
998
|
| 9. | 418 + 201 = |
630
|
864
|
619
|
844
|
| 10. | 262 + 129 = |
458
|
391
|
327
|
466
|
| 11. | 164 + 111 = |
348
|
275
|
307
|
442
|
| 12. | 405 + 369 = |
774
|
501
|
961
|
760
|