(log以2为底125+log以4为底25+log以8为底5)(log以5为底2+log25为底4+log以125为底8)求值
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![(log以2为底125+log以4为底25+log以8为底5)(log以5为底2+log25为底4+log以125为底8)求值](/uploads/image/z/13887814-22-4.jpg?t=%28log%E4%BB%A52%E4%B8%BA%E5%BA%95125%EF%BC%8Blog%E4%BB%A54%E4%B8%BA%E5%BA%9525%EF%BC%8Blog%E4%BB%A58%E4%B8%BA%E5%BA%955%EF%BC%89%EF%BC%88log%E4%BB%A55%E4%B8%BA%E5%BA%952%EF%BC%8Blog25%E4%B8%BA%E5%BA%954%EF%BC%8Blog%E4%BB%A5125%E4%B8%BA%E5%BA%958%EF%BC%89%E6%B1%82%E5%80%BC)
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(log以2为底125+log以4为底25+log以8为底5)(log以5为底2+log25为底4+log以125为底8)求值
(log以2为底125+log以4为底25+log以8为底5)(log以5为底2+log25为底4+log以125为底8)求值
(log以2为底125+log以4为底25+log以8为底5)(log以5为底2+log25为底4+log以125为底8)求值
(log以2为底125+log以4为底25+log以8为底5)(log以5为底2+log25为底4+log以125为底8)
=(lg125/lg2+lg25/lg4+lg5/lg8)(lg2/lg5+lg4/lg25+lg8/lg125)
=(3lg5/lg2+lg5/lg2+1/3lg5/lg2)(lg2/lg5+lg2/lg5+lg2/lg5)
=13/3lg5/lg2*3lg2/lg5
=13/3*3
=13
log以4为底3×log以9为底2+log以2为底^4√64 求值log以9为底32×log以64为底27+log以9为底2×log以4为底√27 求值
为什么 2log以4为底 等于log以2为底.
﹙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2为底) 12
log(以2为底)X
log以a为底2/3
(log以2为底125+log以4为底25+log以8为底5)(log以5为底2+log25为底4+log以125为底8)求值
lg5的平方+lg2乘lg50 和里面的一题第一:lg5的平方+lg2乘lg50第二:(log以2为底125+log以4为底25+log以8为底5) 乘(log以125为底8+log以25为底4+log以5为底2)
(log以4为底3+log以8为底3)×(log以3为底5+log以9为底5)×(log以5为底2+log以25为底2)求值
log以4为底3为真数×log以9为底2的对数×log以1/2为底4根号32求值
log以2为底5为真数与log以5为底8
log以2为底的(log以3为底的(log以4为底的x))=log以3为底的(log以4为底的(log以2为底的y))=log以4为底(log以2为底的(log以3为底的z))=0,则x+y+z等于?这个我写的比较多,希望会的人不要觉的麻烦,.
1/log以5为底7+1/log以3为底7+1/log以2为底7 求值
log以5为底35+2log以为底根号二-log以5为底五十分之一-log以五为底14
求log以2为底cosπ/9的对数+log以2为底cos2π/9+log以2为底4π/9=
log以2为底4+log以9为底的27-2log以2为底的3
解方程:log以2为底的x+2*log以4为底的x+log以8为底的x=7
log以4为底8的对数-log以9分之1为底3的对数-log以根号2为底4的对数