• 2022-07-02
    直线[img=175x51]18031b77f1d3992.png[/img] 的标准方程是
    A: [img=152x44]18031b77f9657d8.png[/img]
    B: [img=138x44]18031b7801b8d55.png[/img]
    C: [img=152x44]18031b780ab1f0c.png[/img]
    D: [img=152x44]18031b781349a93.png[/img]