求解lg(300/7)+lg(700/3)+lg100(3y/x)^(1/3)*[(3x^2)/y]^(1/2) x>0lg(300/7)+lg(700/3)+lg100
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求解lg(300/7)+lg(700/3)+lg100(3y/x)^(1/3)*[(3x^2)/y]^(1/2) x>0lg(300/7)+lg(700/3)+lg100
求解lg(300/7)+lg(700/3)+lg100
(3y/x)^(1/3)*[(3x^2)/y]^(1/2) x>0
lg(300/7)+lg(700/3)+lg100
求解lg(300/7)+lg(700/3)+lg100(3y/x)^(1/3)*[(3x^2)/y]^(1/2) x>0lg(300/7)+lg(700/3)+lg100
原式=3^(5/6)x^(2/3)y^(-1/6)
原式=lg(300/7×700/3)+2
=lg(10^4)+2
=4+2
=6