】求值:lg25+1g2×lg50+(lg2)²RT
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】求值:lg25+1g2×lg50+(lg2)²RT
】求值:lg25+1g2×lg50+(lg2)²
RT
】求值:lg25+1g2×lg50+(lg2)²RT
lg25+lg2*lg50+(lg2)^2=2lg5+lg2*(1+lg5)+(lg2)^2=2lg5+lg2+lg2*lg5+(lg2)^2
=2lg5+lg2+lg2(lg5+lg2)=2lg5+lg2+lg2*lg10
=2lg5+2kg2=2(lg5+lg2)=2lg10=2
lg25+1g2×lg50+(lg2)²
=lg25+1g2×(lg50+lg2)
=lg25+1g2×lg100
=2lg5+21g2
=2(lg5+1g2)
=2
】求值:lg25+1g2×lg50+(lg2)²RT
lg25+lg2×lg50+(lg2)^2 求值
lg25+lg2*lg50+(lg2)^2+1=?
求值:lg25 lg2*lg50 (lg2)^2求值:1 lg25+lg2*lg50+(lg2)^2 2 已知集合 {x,y,lg(xy)}={0,y,绝对值x},求log8(x^2+y^2)的值
lg2+lg2.lg50+lg25
lg25+lg2*lg50+lg4
(lg2)^2+lg2×lg50+lg25
1:求值(lg5)平方+lg2×lg50
lg25+lg2*lg50+lg2*lg2=?
lg25+lg2·lg50+(lg2)^2=?
(lg2)^2 + lg2 x lg50 + lg25
lg25+lg2*lg50+lg^2 2=?
lg25+lg2*lg50+(lg2)^2怎么计算,
lg2*lg2+lg50*lg2+lg25=?xiexie!
计算 lg5×lg20-lg2×lg50-lg25
lg5 X lg20 - lg2 X lg50 - lg25
lg25+lg2*lg50+lg平方2
计算lg25+lg50+lg2*lg500+(lg2)^2