<?xml version="1.1" encoding="utf-8"?>
<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">ETI</journal-id><journal-title-group><journal-title>Education and Teaching Innovation</journal-title></journal-title-group><issn>2995-4894</issn><eissn>2995-4908</eissn><publisher><publisher-name>Art and Technology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/ETI.8151</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title>变化中的数学</title><url>https://artdesignp.com/journal/ETI/2/5/10.61369/ETI.8151</url><author>欧建</author><pub-date pub-type="publication-year"><year>2024</year></pub-date><volume>2</volume><issue>5</issue><history><date date-type="pub"><published-time>2024-05-20</published-time></date></history><abstract>&amp;ldquo;极限&amp;rdquo;是数学中的分支&amp;mdash;&amp;mdash; 微积分的基础概念，广义的&amp;ldquo;极限&amp;rdquo;是指&amp;ldquo;无限靠近而永远不能到达&amp;rdquo;的意思。本文主要对极限思想和高次方程展开研究。</abstract><keywords>微积分,极限思想,数学变换,特定方程解</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>[1] 吴赣昌．高等数学：上册［M］．第五版 北京： 中国人民大学出版社，2017：233.[2] 邢家省，杨义川，王拥军．菲涅尔积分的几种计算方法［J］．四川理工学报：自然科学版，2016,29(5):90</p><pub-id pub-id-type="doi"/></element-citation></ref></ref-list></back></article>
