Erbijsommen t/m 1.000
Optellen
| 1. | 133 + 102 = |
286
|
235
|
224
|
416
|
| 2. | 405 + 247 = |
758
|
652
|
577
|
958
|
| 3. | 432 + 100 = |
764
|
780
|
718
|
532
|
| 4. | 254 + 248 = |
542
|
604
|
502
|
861
|
| 5. | 413 + 224 = |
648
|
637
|
622
|
510
|
| 6. | 242 + 164 = |
331
|
406
|
435
|
253
|
| 7. | 331 + 109 = |
321
|
440
|
484
|
344
|
| 8. | 395 + 179 = |
928
|
759
|
638
|
574
|
| 9. | 306 + 172 = |
478
|
265
|
276
|
412
|
| 10. | 325 + 190 = |
515
|
538
|
926
|
570
|
| 11. | 280 + 176 = |
477
|
456
|
433
|
391
|
| 12. | 423 + 170 = |
981
|
864
|
827
|
593
|