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课件《余弦定理》

  • 2026-11-07 20:13:18
课件《余弦定理》

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教师风采

王宇亭，一级教师，从教11年以来一直工作在教学一线，《集合间的基本关系》获市级微课二等奖，《圆柱圆锥圆台与球的表面积和体积》获市级精品课二等奖，《正切函数的图象和性质》获市级教学设计二等奖，《爱，让顽石开花》获师德师风征文三等奖，参与多项课题研究。

供稿：王宇亭

编辑：王   力

审核：张勃然

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基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000396s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000569s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000380s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000309s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000606s ]
  6. SELECT * FROM `set` [ RunTime:0.000331s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000631s ]
  8. SELECT * FROM `article` WHERE `id` = 537833 LIMIT 1 [ RunTime:0.000365s ]
  9. UPDATE `article` SET `lasttime` = 1794133093 WHERE `id` = 537833 [ RunTime:0.001240s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000377s ]
  11. SELECT * FROM `article` WHERE `id` < 537833 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000488s ]
  12. SELECT * FROM `article` WHERE `id` > 537833 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000425s ]
  13. SELECT * FROM `article` WHERE `id` < 537833 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000665s ]
  14. SELECT * FROM `article` WHERE `id` < 537833 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000760s ]
  15. SELECT * FROM `article` WHERE `id` < 537833 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000886s ]
0.090819s