2021年小学六年级求圆阴影部分面积综合试题.pdf

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1、小学六年级求圆阴影部分面积综合试题例 1.求阴影部分的面积。(单位:厘米)解：这是最基本的方法：?圆面积减去等腰直角三角形的面积，?例 2.正方形面积是7 平方厘米，求阴影部分的面积。(单位:厘米)解：这也是一种最基本的方法用正方形的面积减去圆的面积。设圆的半径为r，因为正方形的面积为7 平方厘米，所以=7，所以阴影部分的面积为：精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 1 页，共 32 页-2 1=（平方厘米）7-=7-7=平方厘米精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 2 页，共 32 页文档编码:CK2C9I9P5D5 HX4M6G6H2

2、R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1

3、E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I

4、9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6

5、H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10

6、H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C

7、9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6

8、G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9例 3.求图中阴影部分的面积。(单位:厘米)解：最基本的方法之一。用四个?圆组成一个圆，用正方形的面积减去圆的面积，所以阴影部分的面积：2 2-平方厘米。例 4.求阴影部分的面积。(单位:厘米)解：同上，正方形面积减去圆面积，16-()=16-4=平方厘米例 5.求阴影部分的面积。(单位:厘米)解：这是一个用最常用

9、的方法解最常见的题，为方便起见，我们把阴影部分的每一个小部分称为“叶形”，是用两个圆减去一个正方形，()2-16=8-16=平方厘米另外：此题还可以看成是1 题中阴影部分的8 倍。例 6.如图：已知小圆半径为2 厘米，大圆半径是小圆的3 倍，问：空白部分甲比乙的面积多多少厘米？解：两个空白部分面积之差就是两圆面积之差（全加上阴影部分）-(精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 3 页，共 32 页文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:

10、CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 H

11、X4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT

12、3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编

13、码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5

14、 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5

15、ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文

16、档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9)=平方厘米?（注：这和两个圆是否相交、交的情况如何无关）例 7.求阴影部分的面积。(单位:厘米)解：正方形面积可用(对角线长 对角线长 2，求)正方形面积为：5 5 2=所以阴影面积为：=平方厘米?(注:以上几个题都可以直接用图形的差来求,无需割、补、增、减变形)例 8.求阴影部分的面积。(单位:厘米)解：右面正方形上部阴影部分的面积，等于左面正方形下部空白部分面积，割补以后为圆，所以阴影部分面积为：精品w o r d 学习资料 可

17、编辑资料-精心整理-欢迎下载-第 4 页，共 32 页文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R

18、5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E

19、9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9

20、P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H

21、2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H

22、1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9

23、I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9()=平方厘米例 9.求阴影部分的面积。(单位:厘米)解：把右面的正方形平移至左边的正方形部分，则阴影部分合成一个长方形，所以阴影部分面积为：2 3=6 平方厘米例 10.求阴影部分的面积。(单位:厘米)解：同

24、上，平移左右两部分至中间部分，则合成一个长方形，所以阴影部分面积为2 1=2 平方厘米(注:8、9、10 三题是简单割、补或平移)精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 5 页，共 32 页文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5

25、 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9

26、文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P

27、5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2

28、R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1

29、E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I

30、9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9例 11.求阴影部分的面积。(单位:厘米)解：这

31、种图形称为环形，可以用两个同心圆的面积差或差的一部分来求。（?-）例 12.求阴影部分的面积。(单位:厘米)解：三个部分拼成一个半圆面积()平方厘米精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 6 页，共 32 页文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX

32、4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3

33、G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码

34、:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5

35、HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 Z

36、T3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档

37、编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9=平方厘米例 13.求阴影部分

38、的面积。(单位:厘米)解:连对角线后将 叶形 剪开移到右上面的空白部分,凑成正方形的一半.所以阴影部分面积为：8 8 2=32 平方厘米例 14.求阴影部分的面积。(单位:厘米)解：梯形面积减去精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 7 页，共 32 页文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10

39、H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C

40、9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6

41、G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E

42、10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK

43、2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4

44、M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G

45、1E10H1E9圆面积，(4+10)精品w o r d 学习资料 可编辑资料-精心整理-欢迎下载-第 8 页，共 32 页文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1

46、E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:C

47、K2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX

48、4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3

49、G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码

50、:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5 HX4M6G6H2R5 ZT3G1E10H1E9文档编码:CK2C9I9P5D5