log10(x-15)+log10x=2

log10(x-15)+log10x=2 已知X>1,比较下面三个式子的大小：A=log10(X的平方),B=（log10X)的平方,C=log10（log10X）,高中必修一第三章的内容 log10(x^3) + log10(y^2) = 11 log10(x^2) + log10(y^3) = 3 求解方程组. log10 x=-2 求x值 解方程lgx+2log10x(10x是底数）=2真数是x y=log10(x^3+2x^2+x) 求导 lgx＋2log10x（X）＝2解方程 lgx 乘以 log10 x=? log10 (3x+2)=3 求x 如果 log10 x = 3 + log10 y, 求 的解. 为什么：2log10∧x+1会等于log10∧(x∧2)+log10∧10 log10(8)-2log10(√2)+log10(25)=?麻烦写出步骤 求函数y = log10(x − 2) and y = 1 − log10(x + 1).的交点,为什么x-2和x+1是正数? 已知X＞0,Y＞0,且满足3X+2Y=12,求log10X的对数+log10Y的对数的最大值 Log10 x = log10的x次幂等于多少?如题 x>1,y>1,xy=10,求log10x*log10y的最大值 函数y=根号下log10(x^2-x-1)的定义域是? matlab 怎么编循环函数求助大神帮我把下面程序改成‘0.005’这个值为【0.005；0.001；0.015】的循环函数clc;f=@(x)([3*log10(x(1))-2*log10(0.005)-0.3060*0.005+0.088*x(1)-2020.8*x(2)+19.21;2*log10(0.005)+3*log10(x(2))-11.61*