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A.m>1 B.1<m<8 C.m>8 D.0<m<1或m>8
已知a,b,a+b成等差数列,a,b,ab成等比数列,且0<logmab<1,则m的取值范围是( )
A.m>1 B.1<m<8 C.m>8 D.0<m<1或m>8
已知a,b,a+b成等差数列,a,b,ab成等比数列,且0<log<1,则m的取值范围是( )
A.m>1 B.1<m<8
C.m>8 D.0<m<1或m>8