lg√(3/5)+1/2lg(5/3)

问题描述:

lg√(3/5)+1/2lg(5/3)

原式为:=lg(3/5)^(1/2)+lg(5/3)^(1/2)
=lg{(3/5)^(1/2)*(5/3)^(1/2)}
=lg1
=0