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19.1 二次根式及其性质 课件(共42张PPT)2025-2026学年人教版八年级数学下册

  • 2026-03-31 09:16:12
19.1 二次根式及其性质 课件(共42张PPT)2025-2026学年人教版八年级数学下册
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  1. CONNECT:[ UseTime:0.001111s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.002590s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000834s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000718s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001893s ]
  6. SELECT * FROM `set` [ RunTime:0.000606s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.002173s ]
  8. SELECT * FROM `article` WHERE `id` = 478129 LIMIT 1 [ RunTime:0.001182s ]
  9. UPDATE `article` SET `lasttime` = 1775504788 WHERE `id` = 478129 [ RunTime:0.038928s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.006371s ]
  11. SELECT * FROM `article` WHERE `id` < 478129 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.006155s ]
  12. SELECT * FROM `article` WHERE `id` > 478129 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002394s ]
  13. SELECT * FROM `article` WHERE `id` < 478129 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.005364s ]
  14. SELECT * FROM `article` WHERE `id` < 478129 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001936s ]
  15. SELECT * FROM `article` WHERE `id` < 478129 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005727s ]
0.243025s