方程log2 ^(x^2 -18 ) - log 2 ^(6-5x) =0
解方程 log2(x+14)+log(x+2)=log(x+6)+3
解方程log根号2(x+1)-log2(x+5/2)=1
对数运算解方程log2(9^x-5)=log(3^x-2)+2
log2(3^x-1)log(3^x-1/3)=2 解方程
解方程log2(x+14)-log2(x+6)=3-log2(x+2)
log2(x^2-3x)=log二分之一(x^2-x+6)
log根号2^(x-5)log2^(x-1)
log根号2^(x-5)-log2^(x-1)
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2[log2(x)]^2-7[log2(x)]+3≤0,求函数f(x)=[log2(x/2)]*[log
解方程log2(2-x)=log2(x-1)+1
解方程log2(4^x+1)=x+log2(2^(x+3)-6)