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已知⊙O1与⊙O2的直径分别是4cm和6cm,O1O2=5cm,则两圆的位置关系...
已知⊙O1与⊙O2的直径分别是4cm和6cm,O1O2=5cm,则两圆的位置关系是( )
A.外离
B.外切
C.相交
D.内切
考点分析:
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