lg8+3lg5=____?
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lg8+3lg5=____?
lg8+3lg5=____?
lg8+3lg5=____?
g8+3lg5
= lg2³+3lg5
= 3lg2+3lg5
= 3(lg2+lg5)
= 3lg10
= 3
lg8+3lg5=____?
lg8+3lg5=?
lg5^2+lg8^2/3+lg5*lg20+(lg2)^2=?
lg8+3 lg5等于多少
lg8+3lg5等于多少
lg8+3lg5的值?
lg8+3lg5怎么计算
lg2+lg5=?1-lg2=?1-lg5=?2lg5+2/3lg8+lg5*lg20+(lg2)2=?
(lg2)^2+lg25+2/3lg8+lg5*lg20=?
lg25+2/3lg8+lg5*lg20+(lg2)^2=?
计算:0.25*(-1/2)^-4+lg8+3lg5=
lg25+(2/3)lg8+lg5.lg20+(lg2)^2=?
lg5*lg5+2/3lg8+lg5*lg20求值,
lg5^2+2/3lg8+lg5*lg20+(lg2)^2=?
lg5的平方+2/3lg8+lg5乘以lg20+(lg2)的平方=?紧急!
高一对数运算一道lg5²+2/3lg8+lg5*lg20+lg²2=
lg5乘以lg8是多少(lg2)^3+(lg5)^3+lg5乘以lg8 怎么算出来
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