Erbijsommen t/m 1.000
Optellen
| 1. | 433 + 209 = |
949
|
877
|
642
|
705
|
| 2. | 306 + 166 = |
477
|
472
|
363
|
250
|
| 3. | 496 + 441 = |
937
|
752
|
875
|
576
|
| 4. | 197 + 166 = |
472
|
342
|
363
|
280
|
| 5. | 376 + 255 = |
837
|
982
|
529
|
631
|
| 6. | 414 + 189 = |
603
|
780
|
979
|
929
|
| 7. | 442 + 147 = |
696
|
811
|
589
|
620
|
| 8. | 366 + 142 = |
824
|
728
|
508
|
841
|
| 9. | 301 + 281 = |
582
|
533
|
649
|
547
|
| 10. | 458 + 378 = |
975
|
836
|
937
|
908
|
| 11. | 237 + 221 = |
430
|
458
|
462
|
209
|
| 12. | 440 + 403 = |
845
|
788
|
843
|
967
|