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人教版七上数学《相反数》|AI课件

  • 2026-08-24 14:15:18
人教版七上数学《相反数》|AI课件

人教版七上数学《相反数》｜AI课件

人教版七年级上册数学，第一章《有理数》第2节《有理数及其大小比较》 第三时——《相反数》。资料包含：
✅ PPT课件
✅ 配套教学设计
✅ 完整课堂逐字稿
适合公开课、优质课、校内展示课使用，也可以结合本班学情调整后用于日常授课。#人教版数学 #七年级上册数学#相反数#数学公开课 #AI赋能课堂 #优质课件

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  1. CONNECT:[ UseTime:0.001169s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
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  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001272s ]
  6. SELECT * FROM `set` [ RunTime:0.000512s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001547s ]
  8. SELECT * FROM `article` WHERE `id` = 525562 LIMIT 1 [ RunTime:0.001145s ]
  9. UPDATE `article` SET `lasttime` = 1787584805 WHERE `id` = 525562 [ RunTime:0.018180s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000600s ]
  11. SELECT * FROM `article` WHERE `id` < 525562 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001213s ]
  12. SELECT * FROM `article` WHERE `id` > 525562 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002461s ]
  13. SELECT * FROM `article` WHERE `id` < 525562 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001839s ]
  14. SELECT * FROM `article` WHERE `id` < 525562 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001634s ]
  15. SELECT * FROM `article` WHERE `id` < 525562 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004273s ]
0.203754s