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圆锥曲线点乘双根法专项练习(word版)

  • 2026-09-19 23:57:56
圆锥曲线点乘双根法专项练习(word版)

昨天介绍了关于点乘双根法圆锥曲线点乘双根法解题模板

今天配一些习题

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Excel合并报表太繁琐?VBA一键搞定

基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-09-25 14:45:22 HTTP/1.1 GET : http://h.sjds.net/a/462168.html
  2. 运行时间 : 0.073572s [ 吞吐率：13.59req/s ] 内存消耗：4,462.24kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=3c9f19e4b7aaf35c6ab3a36dacec9d01
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  1. CONNECT:[ UseTime:0.000618s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001000s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000382s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000345s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000511s ]
  6. SELECT * FROM `set` [ RunTime:0.000267s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000699s ]
  8. SELECT * FROM `article` WHERE `id` = 462168 LIMIT 1 [ RunTime:0.000341s ]
  9. UPDATE `article` SET `lasttime` = 1790318722 WHERE `id` = 462168 [ RunTime:0.001868s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000307s ]
  11. SELECT * FROM `article` WHERE `id` < 462168 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000442s ]
  12. SELECT * FROM `article` WHERE `id` > 462168 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000372s ]
  13. SELECT * FROM `article` WHERE `id` < 462168 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000531s ]
  14. SELECT * FROM `article` WHERE `id` < 462168 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000579s ]
  15. SELECT * FROM `article` WHERE `id` < 462168 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000627s ]
0.082585s