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【教学教案】鲁教版初中数学九年级上册

  • 2026-10-23 00:21:27
【教学教案】鲁教版初中数学九年级上册
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 1.1反比例函数 1.2反比例函数的图像和性质 1.3反比例函数的应用 2.1锐角三角函数 2.2 30°，45°，60°角的三角函数值 2.3用计算器求锐角的三角函数值 2.4解直角三角形 2.5三角函数的应用 2.6利用三角函数测高 3.1对函数的再认识 3.2二次函数 3.3二次函数y=ax²的图象与性质 3.4二次函数y=ax²＋bx＋c的图象与性质 3.5确定二次函数的表达式 3.6二次函数的应用 3.7二次函数与一元二次方程 4.1投影 4.2视图

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  1. CONNECT:[ UseTime:0.000615s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000927s ]
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  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000703s ]
  8. SELECT * FROM `article` WHERE `id` = 458707 LIMIT 1 [ RunTime:0.000404s ]
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  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000336s ]
  11. SELECT * FROM `article` WHERE `id` < 458707 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000421s ]
  12. SELECT * FROM `article` WHERE `id` > 458707 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000392s ]
  13. SELECT * FROM `article` WHERE `id` < 458707 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000556s ]
  14. SELECT * FROM `article` WHERE `id` < 458707 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000515s ]
  15. SELECT * FROM `article` WHERE `id` < 458707 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000646s ]
0.084370s