400-888-4011

初三数学

初三数学

授课机构: 成都市三德点拨培训

上课地点: 校区地址

成交/评价:

联系电话: 400-888-4011

初三数学课程详情

《初三主要知识点总结》
    1、特殊平行四边形:主要以选择题中概念(A卷)、填空题中计算(A、B卷)、解答题中与函数结合在一起的综合题型(A、B卷)为主要考察题型;
    2、相似三角形:主要以选择题中计算(A卷)、填空题中计算(A、B卷)、解答题中与函数和四边形结合在一起的综合应用(A、B卷)为主要考察题型;
    3、反比例函数:主要以选择题中图像和性质(A卷)、填空题中与一次函数和四边形结合在一起的综合应用(B卷)、解答题中主要与一次函数结合在一起的综合应用(A卷)为主要考察题型;
    4、三角函数:主要以选择题中计算(A卷)、填空题中计算(A卷)、解答题中计算(A卷)为主要考察题型;
    5、二次函数:主要以选择题中图像和性质(A卷)、填空题中与三角形和四边形的综合应用(B卷)、解答题中与四边形的综合解答题或者应用题(B卷)为主要考察题型;
    6、圆:主要以选择题中性质的运用(A卷)、填空题中与三角形和四边形的综合应用(A、B卷)、解答题中与三角形和四边形的综合应用(A卷)为主要考察题型;
    7、概率:主要以选择题中简单计算(A卷)、填空题中计算概率(A、B卷)、解答题中计算概率和画图(A卷)为主要考察题型。
《如何学好初三数学》
    一、课本要“预、做、复”:
    每堂新课之前,做到先预习,特别要把难点或不懂之处用彩笔划出,以便上课时更加注意。每节内容后面的练习自己可以先做一做,做到看懂70%的新内容,会做80%的练习题。每节新内容学完后,我们要按照课本内容,从易到难,从简到繁,一步一步地把学过的知识进行比较复习,对概念、定理、公式做出归纳、总结,加深对知识的理解,能把课本上的例题自己做一遍。对课本上的概念、定理、公式推理一遍,以形成对知识的整体认识。
    二、上课要“听、记、练”:
    把预习中存在的问题放在课堂上着重听,必要时还需做好笔记,并通过一些练习题加以巩固。数学不同于其他学科,单把概念、定理、公式背熟,无法解决实际问题,只有通过练来减少运算中出现的错误。
    三、作业要“思、问、集”:
    作业一定要养成独立思考的习惯,多从不同的方法、角度入手,多从典型题目中探索多种解题方法,从中得到联想和启发。同时,还应多树立数学解题思想:如,方程的思想、函数的思想、数形结合的思想、整体的思想、分类的思想等常用方法;对于难题,要多问几个为什么,如改变条件、添加条件、结论与条件互换,原结论还成立吗?另外,对于自己作业、试卷中出现的错误,能准备一本错题集,以便今后复习中使用。做到绝不出现第二次类似错误。
    总之,学习数学要有方法、计划和合理的安排。新课授完后,有些同学就感到头痛,于是,东看看西翻翻,一天下来,不知道自己学了什么。因此,每个同学都应根据自己的实际情况制订出合理的学习方法、目标;没有方法,就会变成一只无头苍蝇;没有目标就会没有动力。
《如果想拿高分建议你做一做历年中考的最后两道题 还要总结一下以往错题,常看避免再犯 》
    一、学会“数学阅读”: 
    在中小学,我们会遇到这样的情况,当学生向教师问问题时,一些教师常常会说:请你把问题再读两遍;请你把问题讲一讲;请你把问题抄一遍;等等。这些教师要表达的是一个意思,请你再读一读,再理解一下。 
    二、养成好的数学学习习惯 :
    在这次课程改革中,提出三维目标,其中“过程”也作为一个目标。“学习习惯”是过程的一个很好的体现。 
    三、学会“索取”——主动学习: 
    从教师的角度,总希望千方百计把自己的东西给学生。有的学生不知道该如何接受这些东西;有的学生不论好坏全收;有的会挑挑拣拣,好得留下,重要的收好;等等。但是,一般地,教师最喜欢会主动“索取”的学生。 
    四、独立思考与研讨交流: 
    学习数学,需要独立思考,对于背景、问题、概念、定理、应用以及它们之间的,都需要自己思考,让它们自然地留在我们的头脑中,做问题、习题也需要独立完成,即或请教了别人,最后,还是需要自己来完成。 

成都市三德点拨培训

成都市三德点拨培训
认证 7 年

成立: 2006年

认证 地址认证 教学保障 在线预约 到店体验 售后支持
基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-05-25 05:11:05 HTTP/1.1 GET : http://www.aabqt.com/s/17524/c/170734.html
  2. 运行时间 : 0.040658s [ 吞吐率:24.60req/s ] 内存消耗:363.94kb 文件加载:136
  3. 缓存信息 : 0 reads,0 writes
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  1. CONNECT:[ UseTime:0.000224s ] mysql:host=127.0.0.1;port=3306;dbname=baijiao_branch_collect;charset=utf8
  2. SHOW FULL COLUMNS FROM `fqi_school` [ RunTime:0.000771s ]
  3. SELECT * FROM `fqi_school` WHERE `school_id` = '17524' AND `site_id` = 16 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000193s ]
  4. SHOW FULL COLUMNS FROM `fqi_school_class` [ RunTime:0.000519s ]
  5. SELECT * FROM `fqi_school_class` WHERE `school_id` = 17524 [ RunTime:0.000216s ]
  6. SHOW FULL COLUMNS FROM `fqi_school_campus` [ RunTime:0.000557s ]
  7. SELECT * FROM `fqi_school_campus` WHERE `school_id` = 17524 [ RunTime:0.000226s ]
  8. SHOW FULL COLUMNS FROM `fqi_school_course` [ RunTime:0.000587s ]
  9. SELECT `a`.*,`content` FROM `fqi_school_course` `a` LEFT JOIN `fqi_school_course_content` `b` ON `b`.`content_id`=`a`.`content_id` WHERE `school_id` = 17524 AND `a`.`content_id` = '170734' AND `course_status` = 1 AND `school_status` = 1 LIMIT 1 [ RunTime:0.000671s ]
  10. (select content_id,course_name from fqi_school_course where school_id = '17524' and content_id < '170734' and site_id = '16' order by content_id desc limit 1) union all(select content_id,course_name from fqi_school_course where school_id = '17524' and content_id > '170734' and site_id <= '16' order by content_id asc limit 1) [ RunTime:0.000610s ]
  11. SELECT * FROM `fqi_school_course` WHERE `school_id` = 17524 AND `site_id` = 16 AND `course_status` = 1 AND `school_status` = 1 AND `school_class_id` = 34200 ORDER BY `course_id` DESC LIMIT 4 [ RunTime:0.000285s ]
  12. SELECT * FROM `fqi_school_course` WHERE `school_id` = 17524 AND `site_id` = 16 AND `course_status` = 1 AND `school_status` = 1 ORDER BY `course_id` DESC LIMIT 10 [ RunTime:0.000211s ]
  13. SELECT COUNT(*) AS think_count FROM `fqi_school_course` WHERE `school_id` = 17524 AND `course_status` = 1 [ RunTime:0.000158s ]
  14. SHOW FULL COLUMNS FROM `fqi_school_teacher` [ RunTime:0.000547s ]
  15. SELECT COUNT(*) AS think_count FROM `fqi_school_teacher` WHERE `school_id` = '17524' [ RunTime:0.000213s ]
  16. SHOW FULL COLUMNS FROM `fqi_school_comments` [ RunTime:0.000538s ]
  17. SELECT COUNT(*) AS think_count FROM `fqi_school_comments` WHERE `school_id` = '17524' [ RunTime:0.000152s ]
  18. SELECT `content_id`,`course_name`,`a`.`school_id`,`b`.`school_name` FROM `fqi_school_course` `a` LEFT JOIN `fqi_school` `b` ON `b`.`school_id`=`a`.`school_id` WHERE `a`.`site_id` = '16' AND `b`.`school_status` = '1' AND `course_status` = 1 AND `course_id` < '170734' ORDER BY `content_id` DESC LIMIT 20 [ RunTime:0.031259s ]
0.040914s