lg2*lg2*lg250+lg5*lg5*lg40我一窍不通
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lg2*lg2*lg250+lg5*lg5*lg40我一窍不通
(lg2)^2*lg250+(lg5)^2*lg40=
(lg2)平方.lg250+(lg5)平方.lg5.表示乘号
lg²5+lg2+lg2*lg5?
lg²5+lg2×lg5+lg2
lg^2 5+lg2*lg5+lg2=?
(lg2)²×lg250+(lg5)²×lg40
(lg²2-lg2*lg5+lg²)+3lg2*lg5
lg2+lg5-lg根号10
lg^2 5+lg5*lg2+lg2 怎么算lg^2 5+lg5*lg2+lg2 怎么算
lg5+lg5*lg2+lg2*lg2
lg²2+lg2×lg5+lg5
(lg^2)2+lg2*lg5+lg5
(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
lg2*lg2+lg5-lg2=?
lg^2(5)+lg2+lg2乘lg5等于多少?
lg5×lg(5×2)+lg2怎莫算具体
lg50+lg2*lg5+lg²2=?