化简:1/log3(x)+1/log4(x)+1/log5(x)=
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化简:1/log3(x)+1/log4(x)+1/log5(x)=
![化简:1/log3(x)+1/log4(x)+1/log5(x)=](/uploads/image/z/3225189-21-9.jpg?t=%E5%8C%96%E7%AE%80%3A1%2Flog3%28x%29%2B1%2Flog4%28x%29%2B1%2Flog5%28x%29%3D)
log(a)(b)=log(c)(b)/log(c)(a)
原式=log2(3)/log2(x)+log2(4)/log2(x)+log2(5)/log2(x)
=log2(60)/log2(x)
=logx(60)
原式=log2(3)/log2(x)+log2(4)/log2(x)+log2(5)/log2(x)
=log2(60)/log2(x)
=logx(60)
化简:1/log3(x)+1/log4(x)+1/log5(x)=
已知log2[log4(log3x)]=log3[log5(log2y)]=0,求4更号x-y^1/5
2007*log5(1)+log4(27)*log3(4)
log4[log3(log2x)]=0,求x^-1/2
解不等式:log3/4(x+1)>log4/3(x-3)
log4(log5 a)=log3(log5 b)=1,求a/b.
log5 1/3*log3 6*log6 X=2,则x等于多少
有关log的数学题①log2(2X+3)=0②log5(X)-1/3log5(8)=0③log2(X)+log4(X)=
若log3^5 log5^7 log7^x=log4^2 log6^4 log8^6,求x=?
解方程log4 x+1/log4 x=10/3
log3/4(x+1)>log4/3(x-3) 现在就要,
log4(3x-1)-log4(3+x)=log4(x-1)