Erbijsommen t/m 1.000
Optellen
| 1. | 408 + 166 = |
910
|
574
|
881
|
843
|
| 2. | 132 + 109 = |
241
|
249
|
492
|
427
|
| 3. | 417 + 328 = |
852
|
745
|
916
|
573
|
| 4. | 349 + 346 = |
868
|
695
|
783
|
831
|
| 5. | 173 + 169 = |
482
|
342
|
454
|
304
|
| 6. | 367 + 178 = |
743
|
595
|
545
|
942
|
| 7. | 497 + 199 = |
701
|
684
|
696
|
652
|
| 8. | 226 + 176 = |
402
|
365
|
330
|
293
|
| 9. | 253 + 186 = |
498
|
439
|
500
|
373
|
| 10. | 417 + 344 = |
851
|
742
|
761
|
736
|
| 11. | 455 + 227 = |
682
|
763
|
513
|
787
|
| 12. | 431 + 241 = |
866
|
672
|
720
|
725
|