(lg2)^2+lg20xlg5
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(lg2)^2+lg20xlg5(lg2)^2+lg20xlg5(lg2)^2+lg20xlg5(lg2)^2+lg20*lg5=(lg2)^2+lg(2*10)*lg5=(lg2)^2+(lg2+l
(lg2)^2+lg20xlg5
(lg2)^2+lg20xlg5
(lg2)^2+lg20xlg5
(lg2)^2+lg20*lg5=(lg2)^2+lg(2*10)*lg5
=(lg2)^2+(lg2+lg10)*lg5
=(lg2)^2+(lg2+1)*lg5
==(lg2)^2+lg2*lg5+lg5
=lg2*(lg2+lg5)+lg5
=lg2*lg10+lg5=lg2+lg5=lg(2*5)=lg10=1
(lg2)^2+lg20xlg5
(lg2)^2+lg20xlg5=谢谢了,
lg2的平方+lg20xlg5
lg2+lg2^2+lg2^3+……+lg2^10=
(lg2)^2+lg2×lg50+lg25
3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2
3*(lg2)^2+3(1-lg2)*lg2+2(1-lg2)-lg2+9/2
(lg50)^2+lg2*lg50^2+(lg2)^2
2lg2（lg2+lg5)+2lg5得数
(lg2)^2+lg2*lg5+(lg5)^2=
计算lg25+lg2*lg25+2(lg2)^2
(lg2^2+1)(lg2)^2+1=?
(lg5)^2+lg2*lg25+(lg2)^2
lg25+lg2·lg50+(lg2)^2=?
(lg2)^2 + lg2 x lg50 + lg25
lg50+lg2*lg5+(lg2)^2=
lg25+lg2*lg50+(lg2)^2怎么计算,
lg25+lg2*lg50+(lg2)^2+1=?