2009^/(2010乘2008+1 )
=2009^/[(2009+1)(2009-1)+1]
=2009^/[2009^-1^+1]
=2009^/2009^
=1
把 2009^/2010乘2008+1 进行简便计算
把 2009^/2010乘2008+1 进行简便计算
数学人气:558 ℃时间:2019-12-26 11:34:19
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