log(2x)+log(3y)-log(2z) 怎么化简? log3(x^2-2x-6)=2 log(3x+6)=1+l
log(2x)+log(3y)-log(2z) 怎么化简? log3(x^2-2x-6)=2 log(3x+6)=1+l
2 log(3x)= log 4 +log(6-x)怎么求...急
4^log(4)[x^2]+3^log(9)[6x]=log(2)[16]
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x
log(0.5x)(2)-log(0.5x^3)(x^2)=log(0.5x^3)(4)
已知log(1/7)[log(3)(log(2)x)]=0
2log∨6x=1-log∨6 3,则x的值是什么
log(X+5)+log(X+2)=1
请画出下列图像:log 1/2 (-x) y=log 1/3 /x/
1/log(2)x+1/log(3)x+1/log(4)x=1,x=?
解方程 log2(x+14)+log(x+2)=log(x+6)+3
log(4)6能不能化简为log(2)3呢? 还有log(3)x=3分之1 x=多少