题目内容

下列不等式成立的是

A.log32<log23<log25                                      B.log32<log25<log23

C.log23<log32<log25                                      D.log23<log25<log32                       

A  ∵log32·log23=1,且log32<log33=1,

∴log23>1,即log23>log32.

又∵log23<log25,综上可得log32<log23<log25.故选A

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