Question

计算 3/4lg25+2^log2^3+lg2根号2

有点混乱- - 麻烦过程~

Answer 1

=3lg5/2+3+3lg2/2
=3/2(lg5+lg2)+3
=3/2+3
=9/2

追问

3lg5/2 3lg2/2 怎么得的。。。 我数学不好= =

追答