log2(x-1)

|[log2(x)]^2-3log2(x)+1| log2(x+1)>log2(3-x) log2 (x+1)+log2 x=log6 不等式log2 (x+1) log2(2X-1) log2(x²+1) log2(x-1) log2(x)=-1 log2(x+1) log2(x-1) log2(x-1) log2 (x + 3) + log2(x + 2) = 1log2 (x + 3) + log2(x + 2) = 1 .log2^(x+1/x+6) log2(x-1)-log2(x+1)的定义域与值域 不等式|log2^x-1|不等式|（log2^x）-1| 解方程log2(2-x)=log2(x-1)+1 log2(x-1)>2定义域log2(x-1)>2 定义域 解2log2^(x-5)=log2^(x-1)+1