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  1. 06-12-2016, 09:12 PM Top | #1
    Aug 2011
    377
    0.16
    /
    834
    Thanked: 553

    a a 0=0


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     (06-13-2016)
  3. 06-13-2016, 12:20 AM Top | #2
    Dec 2013
    18045
    0.14
    -
    623
    Thanked: 1053

    :

    a*0=a*(b-b)=ab-ab=0


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     (06-13-2016)
  5. 06-13-2016, 07:23 PM Top | #3
    Aug 2011
    377
    0.16
    /
    834
    Thanked: 553

    :

    a a 0=0


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     (06-14-2016)

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