log2 5/4+log2 5
log2 5/4+log2 5
log2 3/log2 5等于log2 3-log2 5么?
根号下{[log2 (5)]^2-4log2(5)+4}+log2(1/5)
log2 5乘log5 4等于多少
4的1/2(log2底9-log2底5)的次方等于多少?
解不等式:|log2(x-1)|+log2(5-x)
log2的5次方+log2的1/10次方=?
log2(20)-log2(5)+2log3(2)×log4(3)
log2(5)*log5(8)化简
LOG2^3=A,LOG2^5=b,则log2^9/5值是多少
log2底根号5/56+log2(14)-1/2log2(35)
解不等式log2(5x^2-8x+4)>3