视频地址:https://video.cache.bdschool.cn/vd/48b22b73f3d0814689138aa35f34089d.mp4
附件:1教案.docx
附件:2PPT棱锥.pptx
附件:0611高一数学(人教B版)棱锥与棱台3学习任务单.docx