Erbijsommen t/m 1.000
Optellen
| 1. | 428 + 329 = |
906
|
994
|
757
|
544
|
| 2. | 441 + 346 = |
505
|
787
|
634
|
729
|
| 3. | 333 + 166 = |
348
|
464
|
288
|
499
|
| 4. | 478 + 302 = |
970
|
926
|
761
|
780
|
| 5. | 261 + 231 = |
323
|
243
|
492
|
234
|
| 6. | 411 + 393 = |
677
|
686
|
804
|
966
|
| 7. | 340 + 233 = |
519
|
506
|
573
|
705
|
| 8. | 466 + 352 = |
949
|
914
|
535
|
818
|
| 9. | 205 + 157 = |
362
|
268
|
258
|
234
|
| 10. | 260 + 219 = |
408
|
332
|
323
|
479
|
| 11. | 412 + 238 = |
650
|
868
|
791
|
967
|
| 12. | 352 + 238 = |
887
|
900
|
590
|
783
|