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12年考研数学真题(数二)

  • 2026-02-07 23:53:19
12年考研数学真题(数二)

1

写在前面

       为了方便各位小伙伴们刷题，我重新排版了12年数二的真题，在每道题下面都增加了空白，方便大家写答案，记录相关知识点。

2

考研真题

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  1. CONNECT:[ UseTime:0.000382s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000540s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.013015s ]
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  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000493s ]
  6. SELECT * FROM `set` [ RunTime:0.000200s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000550s ]
  8. SELECT * FROM `article` WHERE `id` = 461125 LIMIT 1 [ RunTime:0.000343s ]
  9. UPDATE `article` SET `lasttime` = 1770501740 WHERE `id` = 461125 [ RunTime:0.003635s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000221s ]
  11. SELECT * FROM `article` WHERE `id` < 461125 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000418s ]
  12. SELECT * FROM `article` WHERE `id` > 461125 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000909s ]
  13. SELECT * FROM `article` WHERE `id` < 461125 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.005215s ]
  14. SELECT * FROM `article` WHERE `id` < 461125 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002116s ]
  15. SELECT * FROM `article` WHERE `id` < 461125 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001045s ]
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