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2026年数三考研真题解析(用等价代换法求极限)

  • 2026-02-01 07:05:17
2026年数三考研真题解析(用等价代换法求极限)
温田丁老师考研数学
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  1. CONNECT:[ UseTime:0.000562s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001002s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.100911s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.100861s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000654s ]
  6. SELECT * FROM `set` [ RunTime:0.100709s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000876s ]
  8. SELECT * FROM `article` WHERE `id` = 458134 LIMIT 1 [ RunTime:0.100823s ]
  9. UPDATE `article` SET `lasttime` = 1770228689 WHERE `id` = 458134 [ RunTime:0.253643s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.004123s ]
  11. SELECT * FROM `article` WHERE `id` < 458134 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001909s ]
  12. SELECT * FROM `article` WHERE `id` > 458134 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001874s ]
  13. SELECT * FROM `article` WHERE `id` < 458134 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.020196s ]
  14. SELECT * FROM `article` WHERE `id` < 458134 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.017919s ]
  15. SELECT * FROM `article` WHERE `id` < 458134 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005823s ]
0.801942s