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2026秋新版八上数学期中考试重点专项训练(易错必刷题20题型60题)含答案解析

  • 2026-11-03 19:06:20
2026秋新版八上数学期中考试重点专项训练(易错必刷题20题型60题)含答案解析

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九上化学专项练习——化学符号及其周围数字的意义

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  1. CONNECT:[ UseTime:0.000585s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000795s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000392s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000357s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000581s ]
  6. SELECT * FROM `set` [ RunTime:0.000270s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000580s ]
  8. SELECT * FROM `article` WHERE `id` = 535237 LIMIT 1 [ RunTime:0.000333s ]
  9. UPDATE `article` SET `lasttime` = 1793793438 WHERE `id` = 535237 [ RunTime:0.001191s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000336s ]
  11. SELECT * FROM `article` WHERE `id` < 535237 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000421s ]
  12. SELECT * FROM `article` WHERE `id` > 535237 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000473s ]
  13. SELECT * FROM `article` WHERE `id` < 535237 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000470s ]
  14. SELECT * FROM `article` WHERE `id` < 535237 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000593s ]
  15. SELECT * FROM `article` WHERE `id` < 535237 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000614s ]
0.088313s