• 2022-07-25
    求直线EF与平面四边形ABCD的交点,并判别可见性,请选择正确的答案。[img=785x705]1803b88512460ba.jpg[/img]
    A: [img=785x698]1803b885227d2c7.jpg[/img]
    B: [img=774x698]1803b88530ce1c8.jpg[/img]
    C: [img=785x711]1803b8854010e8e.jpg[/img]
    D: [img=785x705]1803b8855116e86.jpg[/img]
  • 举一反三