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Un article trouvé pour ce sujet.
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A travelling salesman |
2004-09-09 |
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Liz pose la question :
A salesman traveled due west from city A to city B. The distance he traveled, that is the ditance from A to B, was X miles. He returned from B to A and found that he had traveled half the distance, X/2 miles. How can that be?
Chris Fisher and Penny Nom lui répond. |
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