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Math Help - How to express 69 in weird way ?

  1. #1
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    How to express 69 in weird way ?

    69= \int\limits_{10}^{13} 2x\, dx

    69=\binom{12}{2}+\binom{3}{2}

    69=\displaystyle \lim_{x \to 5}\left(\sum_{k=0}^2 (4-k)\cdot x^k\right)

    69=\frac{1}{4} \cdot  \displaystyle \sum_{n=0}^2 2^{2^{n+1}}

    Be creative !!
    Last edited by princeps; March 18th 2012 at 06:51 AM.
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  2. #2
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    Re: How to express 69 in weird way ?

    6 ttttttttt or tttttt 9

    Beastly way: CEILING[666^(9pi / 16e)]
    Thanks from princeps
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