求抛物线y=-(2x+1)(2x-5)的对称轴和顶点坐标. 发布时间:2017-05-09 01:04 │ 来源:www.tikuol.com 题型:解答题 问题: 求抛物线y=-(2x+1)(2x-5)的对称轴和顶点坐标.
题型:解答题 The teacher came in ,________.A.a bag in handB.bag in handC.with a bag in handD.bag in a hand 查看答案