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书名:【套装全2册】初中数学几何严选120题 三角形全等+初中数学几何严选150题 四边形
定价:90.0
ISBN:9787121440977
作者:无、无
出版时间:2022-08
内容提要:
本书是"好题全家桶”系列丛书的第三本,聚焦于初中数学几何中的三角形全等,通过分层训练的方式帮助学生掌握三角形全等部分的知识。本书共有13节,包含了双垂直全等、三垂直全等、手拉手全等、手连心模型、倍长(类)中线、截长补短、半角模型、角平分线全等、垂直平分线全等、全等的分类讨论,共10个典型全等模型。每节以题目类型为依据划分,借助模型"由因导果”或"执果索因”,每节设置题目10道左右,并分为三个难度,先讲解经典例题,再进行分层训练,使不同基础的学生都能找到合适的题。此外,本书的答案部分解题步骤详细、规范,帮助学生逐渐规范答题步骤,理清逻辑思维。
作者简介:
卢红军,毕业于郑州大学,双学位。在学而思从事初中数学一线教学11年,S级主讲教师和*秀主备教师。带领教研团队打磨了数百册初中数学内部教材,拥有10年以上的初中数学教研实战经验。本书用行业*深教研工作者的视角,通过精选计算好题,系统性的分层设计,详尽的计算步骤和简洁的计算方法呈现,全面辅导新初一学生的计算练习,让计算学习更有效。陈丁卫,在学而思从事初中数学一线教学多年,S级主讲教师和*秀主备教师,参与打磨了数百册初中数学内部教材,拥有十年以上的初中数学教研实战经验。
目录:
*1节 五类基本全等……1
*2节 二次全等……7
第3节 双垂直全等……14
第4节 三垂直全等……21
第5节 手拉手全等……30
第6节 手连心模型……39
第7节 倍长(类)中线……49
第8节 截长补短……55
第9节 半角模型……63
*10节 角平分线全等……72
*11节 垂直平分线全等……81
*12节 全等的分类讨论……88
*13节 全等综合探究题……96
解题方法详解……109*1 节 平行四边形 ·······································································.1
*2 节 菱形 ···············································································.10
第3 节 矩形 ···············································································.21
第4 节 正方形 ············································································.31
第5 节 梯形 ···············································································.42
第6 节 中点四边形 ······································································.47
第7 节 新定义四边形 ···································································.54
第8 节 四边形与动点 ···································································.64
第9 节 四边形中的*值 ································································.72
*10 节 四边形综合 ·····································································.85
解题方法详解 ···············································································.90
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