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初中数学(JJ版)八年级下册电子课本免费下载

  • 2026-09-24 19:18:42
初中数学(JJ版)八年级下册电子课本免费下载

初中数学（JJ版）

电子课本

   学段：初中

   科目：数学

   年级：八年级

   册次：下册

   版本：冀教版

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基本 文件 流程 错误 SQL 调试
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  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.000420s ] mysql:host=172.18.0.4;port=3306;dbname=no_yeyulingfeng;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000689s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000366s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000356s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000561s ]
  6. SELECT * FROM `set` [ RunTime:0.000316s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000664s ]
  8. SELECT * FROM `article` WHERE `id` = 474467 LIMIT 1 [ RunTime:0.000374s ]
  9. UPDATE `article` SET `lasttime` = 1790542499 WHERE `id` = 474467 [ RunTime:0.001025s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000339s ]
  11. SELECT * FROM `article` WHERE `id` < 474467 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000474s ]
  12. SELECT * FROM `article` WHERE `id` > 474467 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000407s ]
  13. SELECT * FROM `article` WHERE `id` < 474467 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000619s ]
  14. SELECT * FROM `article` WHERE `id` < 474467 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000617s ]
  15. SELECT * FROM `article` WHERE `id` < 474467 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000737s ]
0.096715s