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负5的2008次方乘以1/5的2009次方
(-5)^2008
人气:103 ℃ 时间:2019-11-11 23:33:33
解答
(-5)^2008*(1/5)^2009
=5^2008*(1/5)^2008*(1/5)
=(5*1/5)^2008*(1/5)
=1*1/5
=1/5
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