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四年级数学《认识三角形》公开课课件

  • 2026-05-11 04:18:36
四年级数学《认识三角形》公开课课件

四年级数学《认识三角形》公开课课件

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火眼金睛辨真假三角形，帮孩子彻底搞懂三角形的定义
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#小学数学 #小学数学课件 #认识三角形 #老师备课 #公开课课件 #小学数学公开课 #三角形教学#四年级数学#数学公开课

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第15课《明朝的统治》教案学案——肇庆市第一中学江滨校区 刘慧巧

小学科学教科版五年级下册全册教案(2023春)

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  1. CONNECT:[ UseTime:0.000566s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000562s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000274s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000253s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000501s ]
  6. SELECT * FROM `set` [ RunTime:0.000205s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000542s ]
  8. SELECT * FROM `article` WHERE `id` = 499080 LIMIT 1 [ RunTime:0.003090s ]
  9. UPDATE `article` SET `lasttime` = 1778621281 WHERE `id` = 499080 [ RunTime:0.010008s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000243s ]
  11. SELECT * FROM `article` WHERE `id` < 499080 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000408s ]
  12. SELECT * FROM `article` WHERE `id` > 499080 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000940s ]
  13. SELECT * FROM `article` WHERE `id` < 499080 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000912s ]
  14. SELECT * FROM `article` WHERE `id` < 499080 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.006048s ]
  15. SELECT * FROM `article` WHERE `id` < 499080 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002872s ]
0.097087s