作业帮lg^2 2+2lg5+lg2·lg50
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lg^2 2+2lg5+lg2·lg50
lg^2 2+2lg5+lg2·lg50
lg^2 2+2lg5+lg2·lg50
(lg2)²+2lg5+lg2·lg50
=lg2·(lg2+lg50)+2lg5
=lg2·lg(2·50)+2lg5
=lg2·lg100+2lg5
=2lg2+2lg5
=2·(lg2+lg5)
=2·lg(2·5)
=2lg10
=2
lg^2 2+2lg5+lg2·lg50
=lg^2 2+lg2·lg50+2lg5
=lg2(lg2+lg50)+2lg5
=2lg2+2lg5
=2
lg50+lg2*lg5+lg²2=?
lg^2 2+2lg5+lg2·lg50
（lg5)^2+lg2*lg50
lg2*lg50+lg5*lg20-2lg5*lg2
计算：｜lg2-lg^2(5)｜+lg2·lg50+√(lg5-1)^2
lg²2+lg50+lg2*lg5怎么解答（步奏
计算（lg5)^2+lg2·lg50
(lg5)^2+lg2·lg50=?求救...
化简 (lg5)^2+(lg2)lg50
(lg5)^2+lg2*lg50 求值
(lg5)^2+lg2×lg50=?
(lg5)^2 + (lg2)*(lg50)=
(lg5)^2+lg2*lg50=
lg50+lg2*lg5+(lg2)^2=
计算(lg2)²+2lg2·lg5+(lg5)²+lg50－lg5求答案,
问道对数题 lg2*lg50+lg20*lg5-2lg5*lg2
1.（lg5）2次方+lg2*lg50
计算:(lg5)2+lg2*lg50=?