设a=log0.7^0.8,b=log1.1^0.9,c=1.1^0.9,则( )A.a<b<c B.b<c<a C.b<a<c D.c<a<b

2008-11-05 22:11 来自版块 - 

设a=log0.7^0.8,b=log1.1^0.9,c=1.1^0.9,则( )A.a<b<c B.b<c<a C.b<a<c D.c<a<b

2008-11-05 20:12 来自版块 - 


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