急!首先定义域27X 9-X27>27nn 1-27[1 2727/1
问题描述:
急!首先定义域27X 9-X27>27nn 1-27[1 2727/1
答
55.26=526^5514.26大概估计下x>5/5-√26=
急!首先定义域27X 9-X27>27nn 1-27[1 2727/1
55.26=526^5514.26大概估计下x>5/5-√26=