f(log2 1/3)=-(2^(-log2 1/3)-1)=-2 怎么算
log2 (x + 3) + log2(x + 2) = 1
(log2 9)/(log2 8) = 2/3(log2 3)
已知函数f(x)=log2(2-x)+log2(2+x),g(x)=log2(2x-1)
2^(log2^(-3))=
解方程log2(2-x)=log2(x-1)+1
2^log2 (3) × log2 (1/8) + 2lg3
不等式log2(2x+3)>log2(x+1)的解集是
求函数f(x)=(log2 4x)(log2 2x)在1/4
log2(3)*log3(4)*log4(5)*.log(k+1)(k+2)=log2(k+2) 怎么证
log2(1+根号2+根号3)+log2(1+根号2-根号3)=
方程log2[9^(x-2) +7]=2+log2[3^(x-1) +1]的解为
log2(2^x-1)log2(2^(x+2)-4=3