等边三角形的边长为2,它绕其一边所在的直线旋转一周,则所得旋转体的体积是. 发布时间:2017-05-14 00:45 │ 来源:www.tikuol.com 题型:填空题 问题: 等边三角形的边长为2,它绕其一边所在的直线旋转一周,则所得旋转体的体积是 .
题型:填空题 I don't understand______ believe him. [ ]A. why don't you B. why you not C. why you don't D. why not you 查看答案