题目内容：
已知圆O的半径为5cm，弦AB的长为8cm，则圆心O到AB的距离为3.5cm.( )答案解析：
判断题：已知圆O的半径为5cm，弦AB的长为8cm，则圆心O到AB的距离为3.5cm.( )
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- 题目类型：判断题
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It was Clark’s first visit to London Underground Railway.Aga
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第48题应填__________
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阅读下列短文,回答题目.Most of you would probably say that what makes y
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