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(2006•西岗区)如图,正方形ABCD的顶点都在⊙O上,P是弧DC上的一点,则...
(2006•西岗区)如图,正方形ABCD的顶点都在⊙O上,P是弧DC上的一点,则∠BPC的度数是
度.
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(2006•西岗区)数轴上表示1,
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