lg2-√3除以lg2+√3
2lg2+3lg5-lg1除以5
lg5*lg8000+(lg2^√ 3)^2=?
3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2
lg2(lg5-lg2)-lg5(lg5+3lg2)等于
(lg2)^3+(lg5)^3+3*lg2*lg5
(lg2)³+(lg5)³+3lg2×lg5
1/2(lg2)^2+1/2lg2*lg5+√1/4(lg2)^2-lg2+1=?
3+lg5+(lg2)^2
(lg3/2lg2+lg3/3lg2)*(lg2/lg3+lg2/2lg3)
(lg3分之2lg2+lg3分之3lg2)(lg2分之lg3+lg2分之2lg3)
lg2
Lg5*Lg8000+(Lg2√3^2+Lg0.06-Lg6=?