(lg5)^2+2lg-(lg2)^2 怎么算
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(lg5)^2+2lg-(lg2)^2 怎么算
(lg5)^2+2lg-(lg2)^2 怎么算
(lg5)^2+2lg-(lg2)^2 怎么算
lg5)2 2lg2-(lg2)2=(lg5 lg2)(lg5-lg2) 2lg2 =lg10* lg2.5 2lg2 =lg2.5 lg2 lg2 =lg(2.5*2*2) =lg10 =1 通过分解因式,提取,合并
(lg²2-lg2*lg5+lg²)+3lg2*lg5
(lg^2)2+lg2*lg5+lg5
lg²2+lg2×lg5+lg5
lg^2 5+lg2*lg5+lg2=?
lg^2 5+lg5*lg2+lg2 怎么算lg^2 5+lg5*lg2+lg2 怎么算
lg5×lg(5×2)+lg2怎莫算具体
lg50+lg2*lg5+lg²2=?
2 lg2 + lg5 / lg√10
2lg2+lg5/lg√10=?
(lg^2)2+lg2*lg5+lg5=lg2(lg2+lg5)=lg2+lg5=1 为什么能把lg2提出来?lg2*lg10为什么等于lg2
lg²2+ lg2*lg5+ lg5的值
lg²2+lg2·lg5+lg5=____________
求值lg的平方2+lg2乘lg5+lg5
lg^2(5)+lg2+lg2乘lg5等于多少?
lg2×lg5=?lg2×lg5=lg?求问号..是lg(2+5)吗?
lg²2+lg2×lg5+lg²5
lg²2+lg2×lg5+lg²5=?
lg2(1+lg5)+(lg5)^2