有關log0203的精選大全

設a=log0.20.3,b=log20.3,則(  )A.a+b<ab<0           ...
問題詳情:設a=log0.20.3,b=log20.3,則()A.a+b<ab<0                    B.ab<a+b<0C.a+b<0<ab                    D.ab<0<a+b【回答】B∵a=log0.20.3>log0.21=0,b=log20.3<log21=0,∴ab<0.∵=+=lo...
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