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如图,P(x,y)是以坐标原点为圆心,5为半径的圆周上的点,若P都是整数点,则这...
如图,P(x,y)是以坐标原点为圆心,5为半径的圆周上的点,若P都是整数点,则这样的点共有( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102439962213679/SYS201311031024399622136000_ST/images0.png)
A.4个
B.8个
C.12个
D.16个
考点分析:
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2=y,下列图象中,能表示y与x的函数关系的图象是( )
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