计算log4为底27为指乘以log5为底8为指乘以log3为底25为指

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计算log4为底27为指乘以log5为底8为指乘以log3为底25为指
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计算log4为底27为指乘以log5为底8为指乘以log3为底25为指
计算log4为底27为指乘以log5为底8为指乘以log3为底25为指

计算log4为底27为指乘以log5为底8为指乘以log3为底25为指
log4 27Xlog5 8Xlog3 25
=lg27/lg4 Xlg8/lg5Xlg25/lg3
=3lg3/2lg2X3lg2/lg5X2lg5/lg3
=3/2X3X2
=9