化简6log2/3-4log10/9+2 log 25/6=?
log10是什么?log 75 - log 3 + log 4=log25+log3-log3+2log2=2log5+
解方程 log2(x+14)+log(x+2)=log(x+6)+3
log的计算 :log2(20)-log4(25)= log3(2)×log2(5)×log5(3)=?log2[log
log10^6+log10^0.006=多少?
-log10^(10^-3/2) 怎么写成log +log 或log-log的形式
log2(x^2-3x)=log二分之一(x^2-x+6)
4^log(4)[x^2]+3^log(9)[6x]=log(2)[16]
log2(3)*log3(4)*log4(5)*.log(k+1)(k+2)=log2(k+2) 怎么证
log10 4-log10 5+2log10 √125
[log3(4)+log根下3(2)][log2(9)+log4(根3)]
对数运算解方程log2(9^x-5)=log(3^x-2)+2
log(2)3=a,则log(6)4=(