(lg2)^2+lg20乘lg5=(lg2)^2+(1+lg2)(1-lg2)是怎么转换过来的?
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(lg2)^2+lg20乘lg5=(lg2)^2+(1+lg2)(1-lg2)是怎么转换过来的?
(lg2)^2+lg20乘lg5=(lg2)^2+(1+lg2)(1-lg2)是怎么转换过来的?
(lg2)^2+lg20乘lg5=(lg2)^2+(1+lg2)(1-lg2)是怎么转换过来的?
(lg2)^2+lg20乘lg5=(lg2)^2+(1+lg2)(1-lg2)
lg20=lg2*10=1+lg2
lg5=lg 10/2=1-lg2
lg25+2lg2+lg5*lg20+lg^22=?
lg^2 5+lg2*lg5+lg20=计算
(lg2)^2+lg20乘lg5=(lg2)^2+(1+lg2)(1-lg2)是怎么转换过来的?
对数lg2*lg5=?2lg(5)+2/3 lg8+lg5*lg20+lg2 =lg5^2+lg8^(2/3)+lg5*(lg4+lg5)+lg2 =lg100+lg5+2lg2*lg5+lg2 =2+(lg5+lg2) =2+1 =3 第二个等号lg5*(lg4+lg5)为什么=lg5+2lg2*lg5
(lg2)^2+lg5*lg20
(lg2)^2+lg20*lg5
lg20乘lg5的计算lg20乘lg5为什么等于(1+lg2)*(1-lg2)
(lg5)平方+2/3lg8+lg5乘lg20+(lg2)平方
lg2*lg2+lg20*lg5=?
lg^2(5)+lg2+lg2乘lg5等于多少?
(lg2)^2+lg25+2/3lg8+lg5*lg20=?
lg25+2/3lg8+lg5*lg20+(lg2)^2=?
简单对数运算lg5*lg20+(lg2)^2=?
(lg2)^2+lg5·lg20-1=?
lg2*lg50+lg5*lg20-2lg5*lg2
1.lg²5+lg2×lg5+lg2 2.(lg2)³ +(lg 5)³ +3lg 2×lg 5 3.7 的lg20次方×4.lg500+lg8/5-1/2lg64+50(lg2+lg5)²1.lg²5+lg2×lg5+lg2 2.(lg2)³ +(lg 5)³ +3lg 2×lg 53.7 的lg20次方×(1/2)的lg0.7次方
lg2·lg50-lg5·lg20-lg4=?lg(5^2)+(2/3)lg8+lg5·lg20+(lg^2)2=?
lg5^2+lg8^2/3+lg5*lg20+(lg2)^2=?