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A Perplexing Expression (Posted on 2005-10-14) Difficulty: 3 of 5
Using only math symbols (no functions like sin, cos, log, etc.) create an expression with only two 2s equal to 5 (no other digits or constants).

See The Solution Submitted by Brian Smith    
Rating: 3.5000 (6 votes)

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Answer Comment 18 of 18 |
5 = (V(.2))^(-2))
  Posted by K Sengupta on 2008-02-26 05:54:03
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