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试析如何轻松搞定立体几何的截面问题

Author(s)：
曾洁

Publication Title：

Wen Yuan (Middle School Edition) 2025 No.06

Affiliations：
湖南省永州市第四中学

Abstract：
高中立体几何课程历来以培养逻辑思维能力为主要目标,而新课标更加强调空间想象能力的培养,强调空间观念的建立。在高中数学中，解答立体几何截面问题常常让学生感到棘手，但其实只需掌握空间图形与平面图形的关联规律即可化繁为简。本文以人教A版教材为例，围绕“图像分解”与“逻辑推理”两个核心思路，深度解析如何将三维空间问题转化为直观的平面视角分析，帮助学生突破思维壁垒，在不依赖复杂计算的前提下精准锁定截面形态。

Keywords：
高中数学；立体几何；截面问题

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[1] 曾洁.试析如何轻松搞定立体几何的截面问题[J].Wen Yuan (Middle School Edition),2025(06),.

文渊(中学版)

Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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