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【课件】2026秋北师大版九年级上册数学上课课件

  • 2026-09-20 03:06:18
【课件】2026秋北师大版九年级上册数学上课课件

2026年秋季北师大版九年级数学上册教学课件

文末可免费下载全册课件（可编辑PPT）

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1.1 认识特殊平行四边形

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2.1 认识一元二次方程课时1

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3.1 相似多边形课时1

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4.1 节投影课时1

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5.1 认识二次函数

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6.1 用树状图或表格求概率课时1

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  1. CONNECT:[ UseTime:0.000953s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000902s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000427s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000334s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000532s ]
  6. SELECT * FROM `set` [ RunTime:0.000267s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000651s ]
  8. SELECT * FROM `article` WHERE `id` = 527959 LIMIT 1 [ RunTime:0.000347s ]
  9. UPDATE `article` SET `lasttime` = 1790098778 WHERE `id` = 527959 [ RunTime:0.001584s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000308s ]
  11. SELECT * FROM `article` WHERE `id` < 527959 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000430s ]
  12. SELECT * FROM `article` WHERE `id` > 527959 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000346s ]
  13. SELECT * FROM `article` WHERE `id` < 527959 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000583s ]
  14. SELECT * FROM `article` WHERE `id` < 527959 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000745s ]
  15. SELECT * FROM `article` WHERE `id` < 527959 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000554s ]
0.091693s