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2026年武汉市九年级四调数学试卷分析

  • 2026-04-23 20:24:31
2026年武汉市九年级四调数学试卷分析
1.
比预期简单的问题/16,21,24题

•第16题,只要算出b=-2a,c=-3a,就没有难度了

•第21题,比平时的训练题和往年的题目都有简单,盲点的作用不大

•第24题,第2问是一个函数小综合题,第3是24年中考题的简化版

2.
增加了难度的问题/22题

题干文字变多,表述变复杂,第3问需要写过程了,不再是直接写答案

3.
增加了难度的问题/9,23题

第9题,要严格证明不容易,可用均值不等式可严格证明,但均值不等式不是初中课本的知识,平时用的少,平时练习的阅读材料类的题目中有接触,就看孩子有没有记住结论!

•第23题,和往年一样,第1,2问都是全等题目,第2问还降低了难度。第3问条件简洁清晰,越简单的做法,思路越巧妙。有灵感的人可能会觉得很简单,没有灵感的人直接卡死。

4.
难度不大,但是是卡点/10题

第10题 进制数在24版人教课本(7上册)中增加了篇幅,后面7上的考试题有很多关于进制数的问题,本届毕业生刚好错过了。

第10题本质上是7年级的考题,放在7上就是不定方程,放在7下就是方程不等式混合组。如果四调前没有定点复习,很多学生被会被打一个“措手不及”。

5.
15,20,24(2)题

•第20题的圆中证明和计算,是一个倍半角的处理,我们九年级有一个专题专门讲到它,已知α的三角函数,求另一个与α有“倍半补余关系”的角的三角函数。此前勤学早有大量这样的题目,15.20都是如此~

只看角度关系,第15题是较容易的知2α求α,不需要列方程,而20题是较为复杂的知α求2α,所以要列方程。

•第24题(2)也是一个典型的二次函数背景,用数形结合的方法求参数,答案的形式经常是【两个范围+一个特殊值】或【一个范围+两个特殊值】,此前多放在填空题第15题或第16题。巧的是,本次该题目也是直接写答案。

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  140. /yingpanguazai/ssd/ssd1/www/www.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000605s ] mysql:host=127.0.0.1;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000685s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000290s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000275s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000462s ]
  6. SELECT * FROM `set` [ RunTime:0.000193s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000518s ]
  8. SELECT * FROM `article` WHERE `id` = 482463 LIMIT 1 [ RunTime:0.000365s ]
  9. UPDATE `article` SET `lasttime` = 1776953272 WHERE `id` = 482463 [ RunTime:0.001554s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000257s ]
  11. SELECT * FROM `article` WHERE `id` < 482463 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000406s ]
  12. SELECT * FROM `article` WHERE `id` > 482463 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000389s ]
  13. SELECT * FROM `article` WHERE `id` < 482463 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000638s ]
  14. SELECT * FROM `article` WHERE `id` < 482463 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001215s ]
  15. SELECT * FROM `article` WHERE `id` < 482463 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001752s ]
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