大师作文网log以3为底[log以4为底（log以5为底a的对数）]=log以4为底[log以3为底（log以5为底b的对数）]=
![log以3为底[log以4为底（log以5为底a的对数）]=log以4为底[log以3为底（log以5为底b的对数）]=](/uploads/image/z/19883022-6-2.jpg?t=log%E4%BB%A53%E4%B8%BA%E5%BA%95%5Blog%E4%BB%A54%E4%B8%BA%E5%BA%95%EF%BC%88log%E4%BB%A55%E4%B8%BA%E5%BA%95a%E7%9A%84%E5%AF%B9%E6%95%B0%EF%BC%89%5D%3Dlog%E4%BB%A54%E4%B8%BA%E5%BA%95%5Blog%E4%BB%A53%E4%B8%BA%E5%BA%95%EF%BC%88log%E4%BB%A55%E4%B8%BA%E5%BA%95b%E7%9A%84%E5%AF%B9%E6%95%B0%EF%BC%89%5D%3D)
log以2为底25的对数乘log以3为底4的对数乘log以5为底9的对数=?
如果log以3为底[log以4为底（log以5为底的a次方）]等于log以4为底[log以3为底（log以5为底的b次方
计算：（log以4为底3的对数+log以8为底3的对数）（log以3为底2的对数+log以9为底2的对数）- log以½
log以5为底3的对数×log以27为底125的对数
log以2为底25的对数乘以log以3为底4的对数乘以log以5为底9的对数
log以2为底25的对数+log以3为底4的对数+log以5为底9的对数
log以4为底数27的对数乘log以5为底8的对数乘log以3为底25的对数
（log以5为底根号2的对数×log以49为底81的对数）÷（log以25为底1/3的对数×log以7为底4的3次方根的
设log以3为底4的对数*log以4为底8的对数*log以8为底m的对数=log以4为底16的对数,那么m为
2log以3为底2的对数-log以3为底32/9的对数+log以3为底8的对数-5的2倍log以5为底3的对数 =多少?
﹙log以2为底5的对数+log以4为底125的对数﹚乘以﹙log以3为底2的对数/log以根号3为底的5的对数﹚
log以3为底4的对数乘log以4为底8的对数乘log以8为底m的对数=log以4为底2的对数,求m的值