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Open Access Article

Advances in International Applied Mathematics. 2024; 6: (1) ; 26-30 ; DOI: 10.12208/j.aam.20240004.

Skillfully use "proportional line segment" to solve the combination of number and shape problem —— a deep analysis of the middle school exam filling in the blanks
巧用“成比例线段”解决数形结合题——一道中考填空压轴题的深度剖析

作者: 蒋梦驰 *

扬州大学数学科学学院 江苏扬州

*通讯作者: 蒋梦驰,单位:扬州大学数学科学学院 江苏扬州;

本文属于“数学试题的解析与点评研究”专题特刊稿件

发布时间: 2024-03-21 总浏览量: 651

摘要

比例线段是《义务教育数学课程标准(2022年版)》几何模块中的重要组成部分,本文是对2023年无锡中考填空第18题的深度剖析。该题是一个二次函数的几何综合题,考查了学生对数形结合的理解和运用能力。本题共有六种情况,每种情况都有其特点和规律,对学生的直观想象素养和逻辑推理能力要求较高,是一道具有挑战性和内涵的数学题。

关键词: 比例线段;数形结合;中考题

Abstract

The proportional line segment is an important part of the geometry module of the Compulsory Education Mathematics Curriculum Standard (2022 edition). This paper is an in-depth analysis of the 2023 Wuxi high School Entrance examination No. 18. This problem is a geometric synthesis problem of quadratic functions, which examines students' ability to understand and use logarithmic combination. There are six cases in this question, each of which has its own characteristics and rules. It requires students to have high intuitive imagination quality and logical reasoning ability. It is a challenging and connotation math problem.

Key words: Proportional line segment; Combination of number and form; Secondary school examination questions

参考文献 References

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引用本文

蒋梦驰, 巧用“成比例线段”解决数形结合题——一道中考填空压轴题的深度剖析[J]. 国际应用数学进展, 2024; 6: (1) : 26-30.