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湘教七上数学2.1《代数式》课件

  • 2026-11-07 21:18:32
湘教七上数学2.1《代数式》课件

今天分享湘教七上《2.1代数式》课件，用兔子耳朵+正方形拼摆动图，把“从具体到抽象”的跨度变成学生自己走出来的路，评委看完直呼“符号意识落地、建模思想渗透自然”👍#七上数学 #代数式  #字母表示数 #列代数式 #符号意识 #初中数学 #备课素材#公开课

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保险培训课件:诺奖视角下的保险底层逻辑——2026诺贝尔经济学奖的家庭启示(一)......PPT

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  1. CONNECT:[ UseTime:0.000636s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000998s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000439s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000372s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000542s ]
  6. SELECT * FROM `set` [ RunTime:0.000283s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000657s ]
  8. SELECT * FROM `article` WHERE `id` = 537528 LIMIT 1 [ RunTime:0.000388s ]
  9. UPDATE `article` SET `lasttime` = 1794139589 WHERE `id` = 537528 [ RunTime:0.003492s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000349s ]
  11. SELECT * FROM `article` WHERE `id` < 537528 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000514s ]
  12. SELECT * FROM `article` WHERE `id` > 537528 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000444s ]
  13. SELECT * FROM `article` WHERE `id` < 537528 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000662s ]
  14. SELECT * FROM `article` WHERE `id` < 537528 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000639s ]
  15. SELECT * FROM `article` WHERE `id` < 537528 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000818s ]
0.104208s