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Old 07-31-2007   #2
cecy e
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i cant understand.. is [(x^-9)(y^-1)]/ (z^-3)= if this is rigth u ca to do anything with this...well the only u can to do is: [(x^-9)(y^-1)]/ (z^-3)= (x^-9)(y^-1)(z^3)
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