(2012/1-1)*(2011/1-1)*(2010/1-1)*(2009/1-1)*(2008/1-1)*```*(2001/1-1)*(2000/1-1)
(2012/1-1)*(2011/1-1)*(2010/1-1)*(2009/1-1)*(2008/1-1)*```*(2001/1-1)*(2000/1-1)
八點(diǎn)之前答復(fù).
八點(diǎn)之前答復(fù).
數(shù)學(xué)人氣:728 ℃時(shí)間:2019-10-23 04:57:28
優(yōu)質(zhì)解答
(2012/1-1)*(2011/1-1)*(2010/1-1)*(2009/1-1)*(2008/1-1)*```*(2001/1-1)*(2000/1-1)=2012/2011*2011/2010*2010/2009*2009/2008*2008/2007*```*2001/2000*2000/1999=2012/1999
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