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Un article trouvé pour ce sujet.
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Airline routes |
2009-12-01 |
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Kapilan pose la question :
Please answer the following question:
From A to B there are four possible air routes. From B to C there are five
possible air routes. From C to D there are three possible air routes. How many
different trips can be taken from A to D and back without taking the same route on any
section of the return trip?
Penny Nom lui répond. |
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