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数学
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求值(log3(2)+log9(2))*(log4(3)+log8(3))
打括号是真数.
人气:338 ℃ 时间:2019-10-19 08:46:25
解答
原式=(log3(2)+1/2log3(2))*(2log2(3)+3log2(3))=3/2*5*log2(3)*log3(2)=15/2
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求(log3^2 + log9^2)×(log4^3 + log8^3)的值.
(log3 2+log9 2)*(log4 3+log8 3)求值
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