• 2022-11-02
    求以下曲面为界的均匀物体的质心坐标:[tex=20.286x2.357]oQoW/JqsRkjOZEn7/fo7XPRVxOeMCWJZd2dnc2+bt9mhPxW2QMHb6F4Q3weFELNlU9vJtTKPoQMbFhdKlVZ8UrFQz3mAKeOd2ZBzzlPk6uI=[/tex]
  • 举一反三