2log(x)(25)-3log(25)(x)=1怎么解X啊.急
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2log(x)(25)-3log(25)(x)=1怎么解X啊.急2log(x)(25)-3log(25)(x)=1怎么解X啊.急2log(x)(25)-3log(25)(x)=1怎么解X啊.急把log
2log(x)(25)-3log(25)(x)=1怎么解X啊.急
2log(x)(25)-3log(25)(x)=1怎么解X啊.急
2log(x)(25)-3log(25)(x)=1怎么解X啊.急
把log(x)(25)设为Y
化简得2Y-3/Y=1
然后化成一元二次方程计算 得Y=-1或1.5
然后解得X=1/25 或125
2log(x)(25)-3log(25)(x)=1怎么解X啊.急
(log(2)125+log(2)25+log(8)5)*(log(125)2+log(25)4+log(5)8)
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[log(x)(25)]^2 就是对数函数外的平方怎么算?2log(x)(25)-3log(25)(x)=1
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