化简下列各式 2、log2根号7/48+log小2 12-1/2log小2 42-1
化简下列各式 2、log2根号7/48+log小2 12-1/2log小2 42-1
log根号2^(x-5)log2^(x-1)
log根号2^(x-5)-log2^(x-1)
log(2)根号18+1/2log(2)56-log(2)3根号7
[log(5)√2·log(49)81]/[log(25)(1/3)·log(7)三倍根号四]
解不等式log2(4^x+1)>log(2^x+7)
f(x)=log2(x/2)乘log根号2(根号x/2)怎么化简
求下列各式的值1.-log2 log2√√√2 【log2的2是底数】2.log48-log1/93-log√24 【l
解方程log根号2(x+1)-log2(x+5/2)=1
(log2 5+log4 125)log3 2/ log根号3 5
log(2.5)6.25-lg(1/100)+ln(e√e)+log2(log(2)16)=?
解不等式log2(2^x-1)log(2^x-2)