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30年后才看懂,小学数学课本封面的秘密!

  • 2026-03-30 03:52:36
30年后才看懂,小学数学课本封面的秘密!
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  1. CONNECT:[ UseTime:0.000832s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001132s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003530s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000617s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001134s ]
  6. SELECT * FROM `set` [ RunTime:0.000478s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001076s ]
  8. SELECT * FROM `article` WHERE `id` = 464380 LIMIT 1 [ RunTime:0.005780s ]
  9. UPDATE `article` SET `lasttime` = 1775562657 WHERE `id` = 464380 [ RunTime:0.004488s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.001083s ]
  11. SELECT * FROM `article` WHERE `id` < 464380 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000941s ]
  12. SELECT * FROM `article` WHERE `id` > 464380 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.009344s ]
  13. SELECT * FROM `article` WHERE `id` < 464380 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001980s ]
  14. SELECT * FROM `article` WHERE `id` < 464380 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001424s ]
  15. SELECT * FROM `article` WHERE `id` < 464380 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004199s ]
0.169398s