• 2022-07-01
    完成四棱锥切割后的水平和侧面投影。哪个是正确的?[img=300x261]180356a51a81418.jpg[/img]
    A: [img=308x267]180356a5275241e.jpg[/img]
    B: [img=304x269]180356a5354a0ba.jpg[/img]
    C: [img=300x268]180356a53e74c77.jpg[/img]
    D: [img=302x264]180356a549de1d6.jpg[/img]