• 2022-05-27
    有[img=15x19]18032daee9738a2.png[/img]个顶点的无向完全图有多少条边?
    A: [img=92x25]18032daef1ccfde.png[/img]
    B: [img=92x25]18032daefaab67f.png[/img]
    C: [img=24x22]18032daf02d1c61.png[/img]
    D: [img=60x24]18032daf0b9916e.png[/img]