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数学
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若2x+5y=3,求4的x次方*32的y次方的值
人气:454 ℃ 时间:2019-09-24 05:55:34
解答
4^x*32^y
=(2^2)^x*(2^5)^y
=2^2x*2^5y
=2^(2x+5y)
=2^3
=8
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