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A Perplexing Expression (Posted on 2005-10-14) |
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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).
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Submitted by Brian Smith
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Rating: 3.5000 (6 votes)
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Solution:
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(Hide)
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sqrt(.2^(-2)) = 5 |
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