log23*log34=2还是log2
(lg5)^2+2lg2-(lg2)^2+log23乘log34等于?
(log23+log89)(log34+log98+log32)=______.
运用对数的换底公式化简log23×log34×log45×log52:;(log43+log83)(log32+log9
3+log2-7/1+log2-7=3+log3-7×log2-3/1+log3-7×log23 前者是怎么变成后者的?
解不等式log2(2x-1)<log23 (g后面的2是下面的小2,2是后面的是x平方
函数y=log23(3x-2)的定义域为 ___ .
(log2 9)/(log2 8) = 2/3(log2 3)
2^(log2^(-3))=
设log37=a,log23=b 则log27=
已知log23=a,log37=b,求log4256.
已知log23=a,log35=b,求log1520
数学对数函数题若(log23)^x-(log53)^x>=(log23)^-y-(log530^-y,求证x+y>=0