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(2008•河北)如图,正方形ABCD的边长为10,四个全等的小正方形的对称中心...
(2008•河北)如图,正方形ABCD的边长为10,四个全等的小正方形的对称中心分别在正方形ABCD的顶点上,且它们的各边与正方形ABCD各边平行或垂直.若小正方形的边长为x,且0<x≤10,阴影部分的面积为y,则能反映y与x之间函数关系的大致图象是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230813816450985/SYS201310212308138164509001_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230813816450985/SYS201310212308138164509001_ST/images1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230813816450985/SYS201310212308138164509001_ST/images2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230813816450985/SYS201310212308138164509001_ST/images3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230813816450985/SYS201310212308138164509001_ST/images4.png)
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