方程lg2乘以lgx=lg5_数学解答

方程lg2乘以lgx=lg5

人气：499 ℃　时间：2020-09-24 15:59:53

解答

lg2×lgx = lg5
lgx = lg5/lg2
x = 10^(lg5/lg2)
x = (10^lg5)^(1/lg2)
x = 5^(1/lg2)