2022年北京课改版数学八上10.5《可化为一元一次方程的分式方程及其应用》word学案 .pdf

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1、名师精编优秀教案课题：可化为一元一次方程的分式方程及其应用（1）课标要求：能解可化为一元一次方程的分式方程说明要求：会解可化为一元一次方程的分式方程；会对分式方程的解进行检验；学习目标：1知道分式方程的概念；掌握可化为一元一次方程的分式方程的一般解法；2了解增根的概念，知道解分式方程时可能产生增根的原因，掌握分式方程的验根方法；3理解解分式方程的基本思想是把分式方程转化成整式方程，把未知问题转化成已知问题，体会转化的数学思想学习重点：解可化为一元一次方程的分式方程并正确验根.学习难点：增根产生的原因.学习过程：一问题引领，合作探究1.什么叫方程？什么叫方程的解？你认为具备什么特征的方程叫做分式

2、方程？2.你还记得解一元一次方程的一般步骤吗？请解方程，并类比解方程的步骤解方程.11=132xx11=11xxx归纳：1.分式方程的定义：分母里含有的方程叫做分式方程.2.解分式方程的一般步骤：.验根的方法：.3.解分式方程的基本思想：把分式方程转化为.二例题精选，学法指导例 1.判断下列各式哪些是分式方程？（1）1=13x（2）1=1x（3）1132xx（4）31=112yx（5）311xx例 2.解方程：（1）43=33xx（2）81=877xxx（3）1131224xx名师精编优秀教案（4）6122xxx（5）11322xxx例 3.已知15x是关于x的方程2()8(1)5xaa x的

3、解，求a的值.三知识迁移，拓展训练若关于x的方程2221151kkxxxxx有增根-1，求k的值.文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H

4、6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:

5、CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V

6、10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W

7、6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y

8、9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X

9、2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6名师精编优秀教案四反馈练习，分层达标1.方程1xx的解是；112x的解

10、是；1314xx的解是；2.当x=时，分式212xx值为 1；当x=时，5xx与26xx值相等.3.解方程11222xxx，可知方程（）A解为2xB解为4xC解为3xD无解4.已知14x是关于x的方程18mxx的解，求m的值.5.若关于x的方程214224kxxx有增根-2，求k的值.文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2

11、ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R

12、4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文

13、档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK

14、5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10

15、S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6

16、HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V

17、8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6名师精编优秀教案五中考链接，明确方向解方程：（1）23124xxx（2）241222xxxx六作业分层，各有所获课改第页 A基础扫描 B能力提升 C敢于挑战全 中考链接七反思小结，完善认知课题：可化为一元一次方程的分式方程及其应用（2）课标要求：能解可化为一元一次方程的分式方程说明要求：会解可化为一元一次方程的分式方程；会对分式方程的解进行检验；学习目标：1能用分式表示应用题中的某些数量关系；2会列出可化为一元一次方程的分式方程解简单的应用题学习重点：列可化为一元一次方程的分式

18、方程解简单的应用题.学习难点：正确用分式表示应用题中的某些数量关系.学习过程：一问题引领，合作探究1.你还记得列方程解应用题的一般步骤吗？2.列可化为一元一次方程的分式方程解应用题的一般步骤：.二例题精选，学法指导例 1.甲、乙两地相距14 千米，在一次郊游中，一部分人骑自行车先走，40 分钟后其余的人乘汽车出发，结果他们同时到达.已知汽车的速度是自行车速度的3 倍，求汽车和自行车的速度.文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 H

19、L7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8

20、S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 Z

21、A7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4

22、G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档

23、编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5

24、U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S

25、10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6名师精编优秀教案三知识迁移，拓展训练甲、乙两地相距14 千米，在一次郊游中，一部分人骑自行车先走，25 分钟后其余的人乘汽车出发，结果乘汽车的同学反而先到15 分钟.已知汽车的速度是自行车速度的3 倍，求汽车和自行车的速度.四反馈练习分层达标1.20XX 年初我国南方发生雪灾，某地电线被雪压断，供电局的维修队要到30 千米的郊区进行抢修。维修工骑摩托车先走，15 分钟后，抢

26、修车装载着所需材料出发，结果两车同时到达抢修点。已知抢修车的速度是摩托车速度的1.5 倍，求这两种车的速度。2.某校招生录取时，为了防止数据输入出错，2640 名学生的成绩数据分别由两位程序操作员各向计算机输入一遍，然后让计算机比较两人的输入是否一致.已知甲的输入速度是乙的2文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4

27、R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6

28、文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:C

29、K5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V1

30、0S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6

31、 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9

32、V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2

33、 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6名师精编优秀教案倍，结果甲比乙少用2 小时输完.问这两个操作员每分钟各能输入多少名学生的成绩？3.甲乙两地相距135 千米.两辆汽车从甲地开往乙地.大汽车比小轿车早出发5 小时，结果小轿车比大汽车晚到30 分钟.已知小轿车和大汽车的速度之比是5:2，求两车的速度.4.A、B两地相距80 千米，甲由A去 B，1 小时后，乙用1.5 倍的速度从A地出发追甲，追到 B地时，甲已到20 分钟，求甲的速度.文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码

34、:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7

35、V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10

36、W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7

37、Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4

38、X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7

39、H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3

40、H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6名师精编优秀教案五中考链接，明确方向甲，乙两同学玩“托球赛跑”游戏，商定：用球拍托着乒乓球从起跑线l起跑，饶过P点跑回到起跑线；途中乒乓球掉下时须捡起并回到掉球处继续赛跑，用时少者胜.结果：甲同学由于心急，掉了球，浪费了6 秒钟，乙同学则顺利跑完.事后，甲同学

41、说：“我俩所用的全部时间的和为50 秒”；乙同学说：“捡球过程不算在内时，甲的速度是我的1.2 倍”.根据图文信息，请问哪位同学获胜？六作业分层，各有所获课改第页 A基础扫描 B能力提升 C敢于挑战全 中考链接七反思小结，完善认知30 米pl 文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7

42、V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10

43、W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7

44、Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4

45、X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7

46、H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3

47、H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码

48、:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6名师精编优秀教案课题：可化为一元一次方程的分式方程及其应用（3）课标要求：能解可化为一元一次方程的分式方程说明要求：会解可化为一元一次方程的分式方程；会对分式方程的解进行检验；学习目标：1能用分式表示应用题中的某些数量关系；2会列出可化为一元一次方程的分式方程解简单的应用题学习重点：列可化为一元一次方程的分式方程解简单的应用题.学习难点：正确用分式表示应用题中的某些数量关系.学习过程：一问题引领，合作探究甲乙两队完成一项工作，如果两队合作，6天可以完成，如果单独做，甲队比乙队少用5 天，两队单独工作各需几天完成？解：设

49、甲队单独完成需要x 天，那么乙队单独完成需要天，甲队的工作效率是，乙队的 工 作 效 率 是，两 队 合 作 一 天 可 以 完 成 整 个 工 作 的，由 题 意 可 列 方程.二例题精选，学法指导例 1.修一条公路，需在规定日期内完成，如果甲队去做，恰好能如期完成，如果由乙队去做，需要超过规定日期3 天，现在甲乙两队合作2 天后，余下工程由乙队单独做，恰好按规定的日期完成.求规定日期.文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 H

50、L7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8S4X2 ZA7H4R4G3H6文档编码:CK5U7V10S10W6 HL7Y9V8