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Un article trouvé pour ce sujet.
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Six letter words |
2000-05-15 |
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Karl Freitag pose la question :
An anthroplogist discovers an isolated tribe whose written alphabet contains only six letters (call the letters A,B,C,D,E, and F). The tribe has a taboo against using the same letter twice in the same word. It is never done. If each different sequence of letters constitutes a different word in the language, what is the maximum number of six-letter words that the language can employ?
Penny Nom lui répond. |
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