对数【运算】lg(14)-2lg(7/3)+lg(7)-lg(18)
像lg[(-2)(-3)]和lg(-5)^2的对数能否计算?怎样算?
(lg根号2的对数+lg3的对数—lg根号10的对数)除以lg1.8的对数 该如何运算?
lg
lg(x-3)+lg(x-6)=1
(lgx)^2 ,lg(lgx) ,lg(x^2) (1
(lg根号27+lg8-lg根号1000)/lg1、2
2(lg根号2)²+lg根号2*lg5+lg(5根号2)=?
(lgx)/(lg1/2)=lg(x)/-(lg2)=-(lg(x)/lg(2))=-log2(x)
对数运算练习题 lg(√(3+√5)+√(3-√5))
1.lg²5+lg2×lg5+lg2 2.(lg2)³ +(lg 5)³ +3lg 2×l
高一对数运算:计算lg^3(2)+lg^3(5)+3lg(2)lg
一道高一对数题[2lg(2)+lg(3)]/[1+1/2lg(0.36)+1/3lg(8)] (求值)