lg2.lg50=lg2.{lg(2.lg50怎么推出lg(2.25)的?

lg2.lg50=lg2.{lg(2.lg50怎么推出lg(2.25)的? lg25+lg2*lg50+lg^2 2=? 2lg 5+lg2*lg50=1 lg50+lg2*lg5+lg²2=? 计算：lg^25+lg2*lg50 lg25+lg2*lg50+lg2*lg2=? lg2*lg2+lg50*lg2+lg25=?xiexie! (lg^2)^2+lg^2*lg^50+lg^25=?(lg2)^2+lg2*lg50+lg25=? (lg)的平方+lg2*lg50= (lg5)的平方+lg2*lg50 lg25+lg2·lg50+(lg2)^2=? lg50+lg2*lg5+(lg2)^2= lg25+lg2*lg50+(lg2)^2+1=? (lg2)²+lg2·lg50+lg25= （lg2）²+lg2×lg50+lg25=? lg2+lg2.lg50+lg25 lg25+lg2*lg50+lg平方2 lg的平方5+lg2 ×lg50 计算lg的平方5+lg2*lg50