log2（x+1/x+6）≦3

log2（x+1/x+6）≦3 |[log2(x)]^2-3log2(x)+1| log2(x+1)>log2(3-x) log2(3),log2(3^x-1),log2（3^x+37/3）成等差数列,求x log2 (x + 3) + log2(x + 2) = 1log2 (x + 3) + log2(x + 2) = 1 log2(x+1)+log2x=log2（6）解方程 .log2^(x+1/x+6) 解方程log2(4^x+1)=x+log2(2^(x+3)-6) log2(2^x-1)log2(2^(x+2)-4=3log2(2^x-1)log2(2^(x+2)-4）=3 解不等式：|log2（x-1）|+log2（5-x） 不等式|log2^x-1|不等式|（log2^x）-1| 求解log2(3x)=log2(2x+1) 不等式log2(2x+3)>log2(x+1)的解集是 log2(x+1)+log2(x+8)=3的解集是? 解方程log2(x+14)-log2(x+6)=3-log2(x+2) 求log2（x+1）-log2（3x-1）的值域 解方程log2(x^2-3)=log2(6x-10)-1 求函数y=log2^（1-x）+log2^（x+3）的最值.