2(lg25/lgX)-3(lg5x/lg2)=1
lg5X+X-lgx-2=0
lg25+lg2*lg50+(lg2)^2+1=?
lg2*lg100 =lg25+2lg2
lg25+lg2lg50+(lg2)^2=
计算lg25+lg2*lg25+2(lg2)^2
lg(x^2-3)=lgx+lg2
2/3lg8+lg25+lg2·lg50+lg25
(lg2)^2+lg2×lg50+lg25
(0.25)^(-2)+8^(2/3)-(1/16)^9-0.75)-lg25-2lg2=?
0.25^(-2)+8^(2/3)-(1/16)^(-0.75)-lg25-lg2=?
2lg2+lg25-lg10=______.
求值:(lg2)2=(lg5)2=lg2*lg25=