• 2022-05-27
    已知球面过点(-1,0,-3),(1,4,-3),(4,0,2)和坐标原点,则该球面方程为()
    未知类型:{'options': ['', ' [img=175x21]17da5d4465f60d5.jpg[/img]', ' [img=175x21]17da5d446ed1c82.jpg[/img]', ' [img=175x21]17da5d44785b161.jpg[/img]'], 'type': 102}