8.4.1三元一次方程组的解法举例(2)(2).pdf

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1、课题 8.4.1 三元一次方程组的解法举例（2）【学习目标】：熟练地掌握简便方法解三元一次方程组【学习重点】：掌握三元一次方程组的解法。【学习难点】：三元一次方程组如何化归到二元一次方程组。【学法指导】：一【自主学习】（一）预习自我检测1、解下列方程组：）（123272731zyxzyxzx（2）932610223zyxzyxzyx2、完成课本 P113,例 2：在等式中cbxaxy2中，当 x=-1，y=0 时;当 x=2，y=3 时;当 x=5，y=60 时;求 a、b、c 的值精品资料-欢迎下载-欢迎下载 名师归纳-第 1 页，共 4 页 -二【合作探究】（一）课堂展示1、解方程组2、解

2、方程组yzyxzyxzyx消去121132323361xzzyyx精品资料-欢迎下载-欢迎下载 名师归纳-第 2 页，共 4 页 -文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8

3、 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文

4、档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V1

5、0X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3

6、K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D

7、9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9

8、V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9解法一：消去 y,得：解法二：（+）21得:_，得：，得：，得：三【达标测试】1、解方程组(1)4431223572zxzyxxy(

9、2)419571231294zxzyyx(3)033:2:6zxzyzyx精品资料-欢迎下载-欢迎下载 名师归纳-第 3 页，共 4 页 -文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9

10、W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W

11、4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8

12、N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1

13、O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A

14、9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7

15、F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9四、【我的感悟】：这节课我的最大收获是：我不能解决的问题是：_ _【课后反思】：精品资料-欢迎下载-欢迎下载 名师归纳-第

16、4 页，共 4 页 -文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档

17、编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10

18、X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K

19、8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9

20、文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V

21、10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9文档编码:CL7F8N9V10X6 HU3U1O9W3K8 ZL5T6A9W4D9