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【课件分享】危敏然《探寻实数的足迹——让无理数在数轴上“有迹可循”》

  • 2026-10-30 20:33:23
【课件分享】危敏然《探寻实数的足迹——让无理数在数轴上“有迹可循”》

探寻实数的足迹——

让无理数在数轴上“有迹可循”

— 课件分享 —

01

教师简介

危敏然——佛山市顺德区容桂外国语学校

危敏然，顺德区容桂外国语学校教师。曾指导学生项目式研究获佛山市初中数学项目式学习展示一等奖。指导学生“科学探究一小时”获市级特色案例，获顺德区中考数学教师解题比赛三等奖、顺德区新教师入职培训“优秀学员”等荣誉。

02

课件分享

编辑：邓敏仪

审核：邱志刚

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  1. CONNECT:[ UseTime:0.000730s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000977s ]
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  11. SELECT * FROM `article` WHERE `id` < 535919 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000437s ]
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  13. SELECT * FROM `article` WHERE `id` < 535919 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000788s ]
  14. SELECT * FROM `article` WHERE `id` < 535919 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000783s ]
  15. SELECT * FROM `article` WHERE `id` < 535919 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000683s ]
0.085267s