(log4^3+log8^3)*lg2/lg3怎么做?

热心网友

(log4^3+log8^3)*lg2/lg3=[(lg3/lg4)+(lg3/lg8)]*lg2/lg3=lg2/lg4 + lg2/lg8=lg2/(2lg2) + lg2/(3lg2)=1/2 + 1/3=5/6