• 2022-06-19
    设直线对称式方程为[img=153x43]1803dbd3930abe9.png[/img]该直线的一般方程为( ).
    A: [img=157x51]1803dbd39e4268d.png[/img]
    B: [img=117x51]1803dbd3a76689c.png[/img]
    C: [img=132x51]1803dbd3b13a401.png[/img]
    D: [img=157x51]1803dbd3bc2677b.png[/img]