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# There is a shelf with 10 books. In how many ways can one

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Joined: 03 Feb 2003
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There is a shelf with 10 books. In how many ways can one [#permalink]

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14 Aug 2003, 02:26
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

There is a shelf with 10 books. In how many ways can one take none of the the books?
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14 Aug 2003, 03:00
stolyar wrote:
There is a shelf with 10 books. In how many ways can one take none of the the books?

42-41=1 )
Re: INVERSION   [#permalink] 14 Aug 2003, 03:00
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