计算lg25+lg50+lg2*lg500+(lg2)^2
1个回答
=2lg5+1+lg5+(1-lg5)*(2+lg5)+(1-lg5)^2
=3lg5+1+2+lg5-2lg5-(lg5)^2+1-2lg5+(lg5)^2
=4
相关问题
计算lg2lg50+lg25-lg5lg20=______.
只是一个计算哈!(lg2)²+lg2*lg50+lg25=?
lg2+lg2.lg50+lg25
(lg^2)^2+lg^2*lg^50+lg^25=?
lg25+lg2lg50+(lg2)^2=
计算:(1)lg25+lg2•lg50; (2)3
对数的计算:lg5·lg20-lg2·lg50-lg25=
1.(lg2)^2+lg2*lg50+lg25
(lg2)^2+lg2×lg50+lg25
(lg2)^2 + lg2 x lg50 + lg25