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  1. Top | #1

    Nov 2011
    1063
    0.25
    1,154
    Thanked: 500



  2. The Following User Says Thank You to For This Useful Post:

     (06-04-2016)

  3. Top | #2

    May 2012
    14897
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    Thanked: 216

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    249984
    ......

  4. Top | #3

    Sep 2013
    17034
    0.35
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    1,342
    Thanked: 1581

    :



    $\left \lfloor \frac{1000000}{5} \right \rfloor+\left \lfloor \frac{1000000}{5^{2}} \right \rfloor+\left \lfloor \frac{1000000}{5^{3}} \right \rfloor+\left \lfloor \frac{1000000}{5^{4}} \right \rfloor+\left \lfloor \frac{1000000}{5^{5}} \right\rfloor$

    $+\left \lfloor \frac{1000000}{5^{6}} \right \rfloor+\left \lfloor \frac{1000000}{5^{7}} \right \rfloor+\left \lfloor \frac{1000000}{5^{8}} \right \rfloor+\left \lfloor \frac{1000000}{5^{9}} \right \rfloor$

    $=\left \lfloor 200000 \right \rfloor+\left \lfloor 40000 \right \rfloor+\left \lfloor 8000 \right \rfloor+\left \lfloor 1600\right \rfloor+\left \lfloor320 \right\rfloor$

    $+\left \lfloor64 \right \rfloor+\left \lfloor12.8 \right \rfloor+\left \lfloor 2.56 \right \rfloor+\left \lfloor0.512 \right \rfloor$

    $=200000+40000+8000+1600+320+64+12+2+0=249998$
    ; 06-05-2016 11:07 PM

  5. The Following 3 Users Say Thank You to For This Useful Post:

     (06-04-2016),  (06-04-2016),  (06-04-2016)

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