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【2026版】初中(寒假预习讲义)7年级下册新教材人教版《数学》知识点精讲+题型练习+过关检测,全方位寒假预习——电子版免费下载

  • 2026-11-04 19:40:44
【2026版】初中(寒假预习讲义)7年级下册新教材人教版《数学》知识点精讲+题型练习+过关检测,全方位寒假预习——电子版免费下载

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调和点列-极点极线-圆锥曲线-讲义(解析)

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  1. CONNECT:[ UseTime:0.000547s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000867s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000405s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000373s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000512s ]
  6. SELECT * FROM `set` [ RunTime:0.000280s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000663s ]
  8. SELECT * FROM `article` WHERE `id` = 464913 LIMIT 1 [ RunTime:0.000349s ]
  9. UPDATE `article` SET `lasttime` = 1793987240 WHERE `id` = 464913 [ RunTime:0.001257s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000359s ]
  11. SELECT * FROM `article` WHERE `id` < 464913 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000435s ]
  12. SELECT * FROM `article` WHERE `id` > 464913 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000353s ]
  13. SELECT * FROM `article` WHERE `id` < 464913 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000578s ]
  14. SELECT * FROM `article` WHERE `id` < 464913 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000679s ]
  15. SELECT * FROM `article` WHERE `id` < 464913 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000578s ]
0.089174s