设a＞0且a≠1，f（x）=-x2+ax，对x∈(-12，12)均有f（x）＞0 发布时间：2017-05-08 23:24 │ 来源：www.tikuol.com 题型：填空题 问题： 设a＞0且a≠1，f（x）=-x2+ax，对x∈(-12，12)均有f（x）＞0，则a∈______．
题型：填空题 —Could you tell me the way to the supermarket?—_________. [ ]A.Yes, here you are B. No, it's not C. Thank you all the same D. Certainly. It's next to the library 查看答案