• 2022-07-02
    直线[img=175x51]18031b79a38343f.png[/img] 的标准方程是
    A: [img=152x44]18031b79ac29828.png[/img]
    B: [img=138x44]18031b79b607cb8.png[/img]
    C: [img=152x44]18031b79be934dd.png[/img]
    D: [img=152x44]18031b79c75728b.png[/img]