5/3, 7/6, 29/33, ( ), 77/135A.25/36 B.53/72 C.29/91 D.33/101

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问题 5/3, 7/6, 29/33, (    ), 77/135

选项 A.25/36   B.53/72   C.29/91   D.33/101

答案A

解析各项依次可以写为5/3,14/12,29/33,(50/72),77/135。分子、分母的规律如下所示:
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