已知log(x+3) (x^2-2-5)=0,求X
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x
已知log(1/7)[log(3)(log(2)x)]=0
已知log的2次方【log的3次方(log的4次方x)】=log【log的4次方(log的2次方y】=0,求x+y的值
[( log(x^2) + log(x^4) )/ log(100 x)] = 4 求X
已知log∨7∧[log∨3∧(log∨2∧x)]=0 求X∧1/2的值
(高一)若x满足2(log(1/2)x)^2-14log(4)x+3≤0,求f(x)=[log(2)(x/2)]*{lo
2 log(3x)= log 4 +log(6-x)怎么求...急
已知M={2log²1/2^x-11log2^x+9≤0},求x∈M时.f(x)=log2^(x/2)×log
已知x满足不等式log (1/2) x^2≥log(1/2) (3x-2).求函数f(x)=[log2 x/4]×(lo
一、已知f(x)=log底下2(x^2+2x+5),g(x)=log底下1/2(x^2-3x+2)
log(0.5x)(2)-log(0.5x^3)(x^2)=log(0.5x^3)(4)
已知x满足不等式2[log2(x)]^2-7[log2(x)]+3≤0,求函数f(x)=[log2(x/2)]*[log