4^(log2(14)-4)

log2 5/4+log2 5 解不等式2log2 (x-4)< log2 (x-2) (log3^4+log5^2)(log2^9+log2^根号3) 4^log2 3等于多少? 根号下{[log2 （5)]^2-4log2(5)+4}+log2(1/5) 根号下[(log2^3)^2-4log2^3+4]+log2^(1/3) log2(0.5)=(?)、log4(0.5)=(?)、-log2(0.5)=(?)、log2(4)=(?) 解方程：log2(x+4)+log2(x-1)=1+log2(x+8) log8 (log2 4根号2)的值 log2 9乘以log3 4等于多少 log2底1/4等于多少? 比较大小 log2（3）log3(4)