设a>0,函数f(x)=x+a2x,g(x)=x-lnx,若对任意的x1,x2∈ 发布时间:2017-05-14 12:07 │ 来源:www.tikuol.com 题型:填空题 问题: 设a>0,函数f(x)=x+a2x,g(x)=x-lnx,若对任意的x1,x2∈[1,e],都有f(x1)≥g(x2)成立,则实数a的取值范围为______.
题型:填空题 Great attention must be paid ____ welfare, especially in the poor area. [ ]A. develop B. to develop C. to developing D. developing 查看答案