(log(4)3+log(8)3)(log(3)2+log(9)2)
=(lg3/lg4+lg3/lg8)(lg2/lg3+lg2/lg9)
=(lg3/2lg2+lg3/3lg2)(lg2/lg3+lg2/2lg3)
=5lg3/6lg2*3lg2/2lg3
=5/4
有關(guān)對(duì)數(shù)的計(jì)算題
有關(guān)對(duì)數(shù)的計(jì)算題
(log(4)3+log(8)3)(log(3)2+log(9)2)=?
(log(4)3+log(8)3)(log(3)2+log(9)2)=?
數(shù)學(xué)人氣：174 ℃時(shí)間：2020-01-31 09:03:02
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