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高中数学教材习题研究

  • 2026-04-11 18:05:46
高中数学教材习题研究

高中数学教材习题研究

#数学知识点梳理 #函数凹凸性解析 #高中数学教材习题 #琴生不等式详解

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贵州,2026年1月9日 07:20,
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40多岁重新开始把初中课本捡回来请脑补一下

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  1. CONNECT:[ UseTime:0.000514s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000962s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000315s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000282s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000493s ]
  6. SELECT * FROM `set` [ RunTime:0.000198s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000629s ]
  8. SELECT * FROM `article` WHERE `id` = 458253 LIMIT 1 [ RunTime:0.000446s ]
  9. UPDATE `article` SET `lasttime` = 1775911152 WHERE `id` = 458253 [ RunTime:0.018156s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001716s ]
  11. SELECT * FROM `article` WHERE `id` < 458253 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000575s ]
  12. SELECT * FROM `article` WHERE `id` > 458253 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001152s ]
  13. SELECT * FROM `article` WHERE `id` < 458253 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000796s ]
  14. SELECT * FROM `article` WHERE `id` < 458253 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.007842s ]
  15. SELECT * FROM `article` WHERE `id` < 458253 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001407s ]
0.101773s