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【教案梳理】冀教版初中数学九上

  • 2026-03-31 11:12:04
【教案梳理】冀教版初中数学九上
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 23.1平均数与加权平与众数 23.3方差 23.4用样本估计总体 24.1一元二次方程 24.2解4.3一元二次方程根与系数的关系 24.4一元二次方程的应用 25.1比例线段 25.2平行线分线段成比例 25.3相似三角形 25.4相似三角形的判定 25.5相似三角形的性质 25.6相似三角形的应用 25.7相似多边形和图形的位似 26.1锐角三角函数 26.2锐角三角函数的计算 26.3解直.4解直角三角形1反比例函数 27.2反比例函数的图像和性质 27.3反比例函数的应用 28.1圆的概念及性质 28.2过三点的圆 28.3圆心角和圆周角 28.4垂径定理 28.5弧长和扇形面积的计算

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  1. CONNECT:[ UseTime:0.000751s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000521s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000271s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.018909s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000624s ]
  6. SELECT * FROM `set` [ RunTime:0.003714s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000638s ]
  8. SELECT * FROM `article` WHERE `id` = 470084 LIMIT 1 [ RunTime:0.000424s ]
  9. UPDATE `article` SET `lasttime` = 1775723097 WHERE `id` = 470084 [ RunTime:0.007672s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000243s ]
  11. SELECT * FROM `article` WHERE `id` < 470084 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002025s ]
  12. SELECT * FROM `article` WHERE `id` > 470084 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000420s ]
  13. SELECT * FROM `article` WHERE `id` < 470084 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001477s ]
  14. SELECT * FROM `article` WHERE `id` < 470084 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001615s ]
  15. SELECT * FROM `article` WHERE `id` < 470084 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001807s ]
0.192901s