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log36(4)/log18(6)+log^2 6(3)=
答案是1
人气:322 ℃ 时间:2020-04-08 16:35:54
解答
log36(4))/(log18(6))+log^2 6(3)
原式=(log2(4)/log2(36))*(log2(18)/log2(6))+log^2 2(3))/log^2 2(6)
=(2/2+2log2(3))*((1+2log2(3))/1+2log2(3))+log^2 2(3))/log^2 2(6)
=((1+2log2(3)+log^2 2(3)))/log^2 2(6)
=1
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