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初中数学——九年级上册教学课件-第二章 一元二次方程(北师大版2024)

  • 2026-08-07 22:36:50
初中数学——九年级上册教学课件-第二章 一元二次方程(北师大版2024)

今天思齐给同学们整理了初中数学——九年级上册教学课件-第二章 一元二次方程（北师大版2024）。家有初中生的家长可以给孩子下载打印一份。

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九年级数学上册新教材解读课件(人教版2026)

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  1. CONNECT:[ UseTime:0.001048s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001874s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000729s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000730s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001757s ]
  6. SELECT * FROM `set` [ RunTime:0.000537s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001717s ]
  8. SELECT * FROM `article` WHERE `id` = 521328 LIMIT 1 [ RunTime:0.001026s ]
  9. UPDATE `article` SET `lasttime` = 1786150231 WHERE `id` = 521328 [ RunTime:0.004233s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000680s ]
  11. SELECT * FROM `article` WHERE `id` < 521328 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001218s ]
  12. SELECT * FROM `article` WHERE `id` > 521328 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000966s ]
  13. SELECT * FROM `article` WHERE `id` < 521328 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.009477s ]
  14. SELECT * FROM `article` WHERE `id` < 521328 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002370s ]
  15. SELECT * FROM `article` WHERE `id` < 521328 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003951s ]
0.208138s