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SAT 数学知识点总结:韦达定理

  • 2026-11-03 02:09:56
SAT 数学知识点总结:韦达定理

大家好，今天我们来聊 SAT 数学的韦达定理，具体内容大家可以看图片。

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-11-03 15:26:32 HTTP/1.1 GET : http://www.sjds.net/a/533747.html
  2. 运行时间 : 0.077477s [ 吞吐率：12.91req/s ] 内存消耗：4,498.55kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=de7dbc1f5de3a3840672e583c6d4b74f
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  1. CONNECT:[ UseTime:0.000625s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000955s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000479s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000384s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000598s ]
  6. SELECT * FROM `set` [ RunTime:0.000291s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000806s ]
  8. SELECT * FROM `article` WHERE `id` = 533747 LIMIT 1 [ RunTime:0.000380s ]
  9. UPDATE `article` SET `lasttime` = 1793690792 WHERE `id` = 533747 [ RunTime:0.001407s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000343s ]
  11. SELECT * FROM `article` WHERE `id` < 533747 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000473s ]
  12. SELECT * FROM `article` WHERE `id` > 533747 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000373s ]
  13. SELECT * FROM `article` WHERE `id` < 533747 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000780s ]
  14. SELECT * FROM `article` WHERE `id` < 533747 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000622s ]
  15. SELECT * FROM `article` WHERE `id` < 533747 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000787s ]
0.087425s