a>1证loga(a+1)>log(a+1)(a+2)
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a>1证loga(a+1)>log(a+1)(a+2)
a>1证loga(a+1)>log(a+1)(a+2)
a>1证loga(a+1)>log(a+1)(a+2)
a>1证loga(a+1)>log(a+1)(a+2)
a>1证loga(a+1)>log(a+1)(a+2)
LOG (1/a )b+LOGa b 化简
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