Erbijsommen t/m 1.000
Optellen
| 1. | 425 + 249 = |
648
|
674
|
710
|
702
|
| 2. | 457 + 380 = |
837
|
935
|
799
|
806
|
| 3. | 271 + 192 = |
238
|
268
|
496
|
463
|
| 4. | 415 + 234 = |
878
|
582
|
696
|
649
|
| 5. | 335 + 156 = |
491
|
364
|
274
|
284
|
| 6. | 495 + 159 = |
691
|
864
|
654
|
772
|
| 7. | 456 + 293 = |
642
|
902
|
749
|
976
|
| 8. | 344 + 189 = |
660
|
542
|
533
|
751
|
| 9. | 392 + 105 = |
234
|
246
|
497
|
312
|
| 10. | 245 + 133 = |
378
|
289
|
458
|
392
|
| 11. | 409 + 336 = |
932
|
745
|
935
|
659
|
| 12. | 415 + 247 = |
881
|
567
|
724
|
662
|