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教学课件|估算A0纸的长与宽

  • 2026-08-24 09:09:48
教学课件|估算A0纸的长与宽

数学活动：估算A0纸的长与宽

中山市实验中学

李原

积极·务实·高效·专业

个人简介

李原，中山市实验中学初中数学一级教师，中山市优秀教师，孔进名师工作室成员。她深入研究教材，执着于课堂教学，先后荣获“一师一优课”省级优课，中山市教学比赛一等奖、多次荣获中山市初中数学教师解题比赛一等奖、中山市初中数学教学论文评比一等奖并进行论文宣读。参与省级课题和市级课题各一项并已结题。

原文内容

授课：李   原

编辑：张文举

一审：朱春凤

二审：韦秋梅

终审：梁亮亮

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26秋小学科学新五年级上册PPT课件+word教案等-教科

2026秋新四年级上册语文核心素养课件教案

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  1. CONNECT:[ UseTime:0.001077s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001501s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000719s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000681s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001312s ]
  6. SELECT * FROM `set` [ RunTime:0.000711s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001522s ]
  8. SELECT * FROM `article` WHERE `id` = 525943 LIMIT 1 [ RunTime:0.002114s ]
  9. UPDATE `article` SET `lasttime` = 1787577738 WHERE `id` = 525943 [ RunTime:0.009473s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000604s ]
  11. SELECT * FROM `article` WHERE `id` < 525943 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001408s ]
  12. SELECT * FROM `article` WHERE `id` > 525943 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001637s ]
  13. SELECT * FROM `article` WHERE `id` < 525943 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001634s ]
  14. SELECT * FROM `article` WHERE `id` < 525943 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002380s ]
  15. SELECT * FROM `article` WHERE `id` < 525943 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001791s ]
0.194760s