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三年级上册|认识几分之一 交互课件

  • 2026-11-06 21:21:07
三年级上册|认识几分之一 交互课件

✨三年级上册｜认识几分之一 交互课件

可视化认识分数，告别死记硬背
▫️蛋糕/披萨多种图形切换
▫️自由设置平均分份数，支持几分一、几分之几模式
▫️点击涂色，直观理解分子分母含义
课堂上互动演示，孩子一眼看懂分数！

#三年级数学 #认识几分之一 #小学数学课件 #分数入门 #数学交互课件

河北,2小时前,
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有声课件 丨 迟到的正义:影响中国司法的十大冤案 全11讲

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000723s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001022s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000468s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000354s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000594s ]
  6. SELECT * FROM `set` [ RunTime:0.000368s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000824s ]
  8. SELECT * FROM `article` WHERE `id` = 538658 LIMIT 1 [ RunTime:0.000416s ]
  9. UPDATE `article` SET `lasttime` = 1794117701 WHERE `id` = 538658 [ RunTime:0.001125s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000319s ]
  11. SELECT * FROM `article` WHERE `id` < 538658 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000421s ]
  12. SELECT * FROM `article` WHERE `id` > 538658 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000346s ]
  13. SELECT * FROM `article` WHERE `id` < 538658 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000592s ]
  14. SELECT * FROM `article` WHERE `id` < 538658 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000640s ]
  15. SELECT * FROM `article` WHERE `id` < 538658 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000519s ]
0.090981s