化简(lg2)²+lg5*lg20
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化简(lg2)²+lg5*lg20化简(lg2)²+lg5*lg20化简(lg2)²+lg5*lg20(lg2)²+lg5*lg20=(lg2)²+l
化简(lg2)²+lg5*lg20
化简(lg2)²+lg5*lg20
化简(lg2)²+lg5*lg20
(lg2)²+lg5*lg20
=(lg2)²+lg5*lg(2*10)
=(lg2)²+lg5*lg2+lg5*lg10
=lg2*(lg2+lg5)+lg5*1
=lg2*lg(2*5)+lg5
=lg2*1+lg5
=lg(2*5)
=lg10
=1
化简(lg2)²+lg5*lg20
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
求 (lg2)² +lg2×lg5+1-lg2 的值
求 (lg2)² +lg2×lg5+1-lg2 的值
lg^2(5)+lg2+lg2乘lg5等于多少?
lg5)²-(lg2)²+2lg2计算过程
lg2×lg5=?lg2×lg5=lg?求问号..是lg(2+5)吗?
(lg²2-lg2*lg5+lg²)+3lg2*lg5
lg2+lg5-lg根号10
lg²2+lg2×lg5+lg5
(lg^2)2+lg2*lg5+lg5
lg²5+lg2+lg2*lg5?
lg²5+lg2×lg5+lg2
lg^2 5+lg2*lg5+lg2=?
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
化简lg²5+(2+lg5)lg2+1/2lg25=?
lg2 2+lg4*lg5+lg2 (注:lg2指lg的平方)
(lg)^2+lg2*lg25+(lg5)^2等于多少?