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【教学教案】鲁教版初中数学九年级上册

  • 2026-04-22 12:04:22
【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:0.000685s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001181s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000302s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000259s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000639s ]
  6. SELECT * FROM `set` [ RunTime:0.000190s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000650s ]
  8. SELECT * FROM `article` WHERE `id` = 458707 LIMIT 1 [ RunTime:0.000740s ]
  9. UPDATE `article` SET `lasttime` = 1777409299 WHERE `id` = 458707 [ RunTime:0.016905s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000280s ]
  11. SELECT * FROM `article` WHERE `id` < 458707 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000483s ]
  12. SELECT * FROM `article` WHERE `id` > 458707 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000427s ]
  13. SELECT * FROM `article` WHERE `id` < 458707 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.016005s ]
  14. SELECT * FROM `article` WHERE `id` < 458707 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.017728s ]
  15. SELECT * FROM `article` WHERE `id` < 458707 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.004964s ]
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