(lg5)²+lg2*lg50=?
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(lg5)²+lg2*lg50=?(lg5)²+lg2*lg50=?(lg5)²+lg2*lg50=?=lg5*lg5+lg2*lg(5*10)=lg5*lg5+lg2*
(lg5)²+lg2*lg50=?
(lg5)²+lg2*lg50=?
(lg5)²+lg2*lg50=?
=lg5*lg5+lg2*lg(5*10)
=lg5*lg5+lg2*(lg5+lg10)
=lg5*lg5+lg2*(lg5+1)
=lg5*(lg5+lg2)+lg2
=lg5*lg10+lg2
=lg5*lg2
=1
(lg5)²+lg2*lg50=?
（lg5)^2+lg2*lg50
（lg5)²+lg2×lg50
lg2*lg50+lg5*lg20-2lg5*lg2
化简 (lg5)^2+(lg2)lg50
(lg5)^2+lg2*lg50 求值
(lg5)^2+lg2×lg50=?
(lg5)^2 + (lg2)*(lg50)=
lg5²+lg2*lg50化简
lg2*lg50-lg5*lg20-lg4
lg2+lg50+lg5怎样计算
(lg5)^2+lg2*lg50=
（lg5）²+lg2×lg50
求教一道数学对数题（lg2)²+lg2×lg5+lg50+log27 9
lg50+lg2*lg5+(lg2)^2=
计算:(lg2)的平方+lg2*lg5+lg50!
lg5²+lg2×lg50+(lg2)²
问道对数题 lg2*lg50+lg20*lg5-2lg5*lg2