(1)a^1/2*a^1/3*a^1/4 (2)log³₂·log₃5·logS
(1)a^1/2*a^1/3*a^1/4 (2)log³₂·log₃5·logS
log(2)(a)>log(1/2)(-a) 解不等式
log a(1/2次方) x等于2log a
证明对数运算法则(1)log(a)(MN)=log(a)(M)+log(a)(N); (2)log(a)(M/N)=
利用对数的换底公式化简下列 1.log(a)c×log(c)a 2.log(2)3×log(3)4×log(4)5×lo
[log(5)√2·log(49)81]/[log(25)(1/3)·log(7)三倍根号四]
化简2log`5(10)+log`3(0.25)+log`1/5(125)=
若log(a)(a^2+1)
关于log的第一道题log以a为底的(根号3+1)+log以a为底的(根号3-1)=1/2则log以a为底的(根号17+
[log (底数为a) x]=[1\2log (底数为a) b ] - [ log (底数为a)c]求X
[log(3)3^1/2]^2+log(0.25)1/4+9log5根号5-log(根号3)1=?
2的1-log(4)5次方+log(根号2)4+log(3)1/9的值?