lg2*lg2+lg5-lg2=?
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lg2*lg2+lg5-lg2=?lg2*lg2+lg5-lg2=?lg2*lg2+lg5-lg2=?lg=lg2+lg5原式就是lg2*(lg2-1)+lg5=-lg2*lg5+lg5=lg5*(1
lg2*lg2+lg5-lg2=?
lg2*lg2+lg5-lg2=?
lg2*lg2+lg5-lg2=?
lg=lg2+lg5
原式就是
lg2*(lg2-1)+lg5
=-lg2*lg5+lg5
=lg5*(1-lg2)
=lg5*lg5
lg2*lg2+lg5-lg2=?
lg5+lg5*lg2+lg2*lg2
lg2*lg2+lg20*lg5=?
(lg2)^2+lg2*lg5+(lg5)^2=
lg2+lg5=多少?
lg2+lg5=多少
lg2+lg5=
2lg5*lg2=
3lg2-lg5=
=(lg5)^2+lg2×lg5+lg2 =lg5×(lg5+lg2)+lg2麻烦问一下,这是咋做的
lg2*lg3=?lg5/lg2=?
lg50+lg2*lg5+(lg2)^2=
lg^2 5+lg2*lg5+lg2=?
lg5*(1+lg2)+(lg2)^2=
lg5+2lg2+(lg2)=?
lg5+2lg2-lg2=什么
(lg5)^2+lg5.lg2=
(lg2)x(lg2)x(lg2)+(lg5)^3+3xlg2xlg5=?