作业帮1.已知log2底[log3底(log4底x)]=0,则x=______.2.已知2log3底×(x-y)/2=log3底(xy),则x/y=_______.3.a>0且a≠1时,loga底1+loga底a=_______.4.a>0且a≠1时,loga底a^2-a^(loga底3)=_____.5.已知6^a=8,则log6底2=________.6.已知log5底(log4底
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![1.已知log2底[log3底(log4底x)]=0,则x=______.2.已知2log3底×(x-y)/2=log3底(xy),则x/y=_______.3.a>0且a≠1时,loga底1+loga底a=_______.4.a>0且a≠1时,loga底a^2-a^(loga底3)=_____.5.已知6^a=8,则log6底2=________.6.已知log5底(log4底](/uploads/image/z/8942663-47-3.jpg?t=1.%E5%B7%B2%E7%9F%A5log2%E5%BA%95%5Blog3%E5%BA%95%28log4%E5%BA%95x%29%5D%3D0%2C%E5%88%99x%3D______.2.%E5%B7%B2%E7%9F%A52log3%E5%BA%95%C3%97%28x-y%29%2F2%3Dlog3%E5%BA%95%28xy%29%2C%E5%88%99x%2Fy%3D_______.3.a%3E0%E4%B8%94a%E2%89%A01%E6%97%B6%2Cloga%E5%BA%951%2Bloga%E5%BA%95a%3D_______.4.a%3E0%E4%B8%94a%E2%89%A01%E6%97%B6%2Cloga%E5%BA%95a%5E2-a%5E%28loga%E5%BA%953%29%3D_____.5.%E5%B7%B2%E7%9F%A56%5Ea%3D8%2C%E5%88%99log6%E5%BA%952%3D________.6.%E5%B7%B2%E7%9F%A5log5%E5%BA%95%28log4%E5%BA%95)
1.已知log2底[log3底(log4底x)]=0,则x=______.2.已知2log3底×(x-y)/2=log3底(xy),则x/y=_______.3.a>0且a≠1时,loga底1+loga底a=_______.4.a>0且a≠1时,loga底a^2-a^(loga底3)=_____.5.已知6^a=8,则log6底2=________.6.已知log5底(log4底
1.已知log2底[log3底(log4底x)]=0,则x=______.
2.已知2log3底×(x-y)/2=log3底(xy),则x/y=_______.
3.a>0且a≠1时,loga底1+loga底a=_______.
4.a>0且a≠1时,loga底a^2-a^(loga底3)=_____.
5.已知6^a=8,则log6底2=________.
6.已知log5底(log4底a)=1,求实数a的值.
7.2^(2log2底5)=_______.
8.2^(-log2底3)=________.
1.已知log2底[log3底(log4底x)]=0,则x=______.2.已知2log3底×(x-y)/2=log3底(xy),则x/y=_______.3.a>0且a≠1时,loga底1+loga底a=_______.4.a>0且a≠1时,loga底a^2-a^(loga底3)=_____.5.已知6^a=8,则log6底2=________.6.已知log5底(log4底
1.已知log2底[log3底(log4底x)]=0,则x=_64_.
(令[log3底(log4底x)]=1,令log4底x=3)
2.已知2log3底×(x-y)/2=log3底(xy),则x/y=_______. 第二题没看明白
3.a>0且a≠1时,loga底1+loga底a=__1___.
4.a>0且a≠1时,loga底a^2-a^(loga底3)=_2-3__=_-1_.
5.已知6^a=8,则log6底2=___a/3_____.（a=log6底8=3*log6底2）
6.已知log5底(log4底a)=1,求实数a的值.(写过程)
由已知,log4底a=5,所以a=4的5次方,也就是1024
7.2^(2log2底5)=__25__.(写过程)
2log2底5=log2底25
8.2^(-log2底3)=___1/3_____.(写过程)
(-log2底3)=log2底（1/3）