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教材讲义 | 高二上学期【数列通项公式】

  • 2026-11-03 08:22:00
教材讲义 | 高二上学期【数列通项公式】

在这里 与数学相遇，邂逅

数列通项公式-教材

文档电子版获取方式：

① 仅安卓用户可以登录下方”邂逅数学“小程序购买

邂逅数学

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作者：Pascal，一位想让大家记住的数学老师

愿数学善待大家

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教材讲义 | 高二上学期【数列通项公式】

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000794s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000969s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000562s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000364s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000645s ]
  6. SELECT * FROM `set` [ RunTime:0.000270s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000693s ]
  8. SELECT * FROM `article` WHERE `id` = 459655 LIMIT 1 [ RunTime:0.000342s ]
  9. UPDATE `article` SET `lasttime` = 1794160304 WHERE `id` = 459655 [ RunTime:0.001436s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000339s ]
  11. SELECT * FROM `article` WHERE `id` < 459655 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000455s ]
  12. SELECT * FROM `article` WHERE `id` > 459655 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000353s ]
  13. SELECT * FROM `article` WHERE `id` < 459655 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000515s ]
  14. SELECT * FROM `article` WHERE `id` < 459655 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000443s ]
  15. SELECT * FROM `article` WHERE `id` < 459655 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000503s ]
0.090279s