lg27/lg4除以lg3/lg2的值为_____
问题描述:
lg27/lg4除以lg3/lg2的值为_____
答
=lg27/lg4乘以lg2/lg3
=lg3^3/lg2^2乘以lg2/lg3
=3lg3/2lg2乘以lg2/lg3
=3/2