
1个回答
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原式=(1/2*log2^3+1/3*log2^3)(log3^2+1/2*log3^2)
=(5/6*log2^3) * (3/2*log3^2)
={5/6*(lg3)/(lg2)} * {3/2*(lg2/lg3)}
=5/4
答案对吗??我很久没做这种题了 ~~~
=(5/6*log2^3) * (3/2*log3^2)
={5/6*(lg3)/(lg2)} * {3/2*(lg2/lg3)}
=5/4
答案对吗??我很久没做这种题了 ~~~
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