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Unit Fractions (Posted on 2006-10-13) Difficulty: 3 of 5
Call a fraction a "unit fraction" if it can be written as 1/n, where n is a positive integer.

How many more ways can the unit fraction 1/n be written as a sum of two (possibly equivalent) unit fractions than as a difference of two unit fractions?

See The Solution Submitted by Gamer    
Rating: 4.3333 (3 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: a solution | Comment 3 of 6 |
(In reply to a solution by Dennis)

Having been Gamer's "sounding board", more particularly for the addition side rather than the subtraction, I would like to echo Gamer's prior comment.

I must add, Gamer's solution is privy from me; my data provided clarifications only.

It would be good to view both approaches which better explains to me the data which I generated.

  Posted by brianjn on 2006-10-16 02:17:40

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