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高二下数学第6章 计数原理(复习讲义)(含答案)

  • 2026-02-14 12:14:11
高二下数学第6章 计数原理(复习讲义)(含答案)

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  1. CONNECT:[ UseTime:0.000579s ] mysql:host=127.0.0.1;port=3306;dbname=i_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000816s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000266s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000252s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000601s ]
  6. SELECT * FROM `set` [ RunTime:0.000244s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000674s ]
  8. SELECT * FROM `article` WHERE `id` = 461080 LIMIT 1 [ RunTime:0.000376s ]
  9. UPDATE `article` SET `lasttime` = 1771079303 WHERE `id` = 461080 [ RunTime:0.002679s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000239s ]
  11. SELECT * FROM `article` WHERE `id` < 461080 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000585s ]
  12. SELECT * FROM `article` WHERE `id` > 461080 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000366s ]
  13. SELECT * FROM `article` WHERE `id` < 461080 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003496s ]
  14. SELECT * FROM `article` WHERE `id` < 461080 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002290s ]
  15. SELECT * FROM `article` WHERE `id` < 461080 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001285s ]
0.085319s