高中数学代数与函数一其他练习题10
题目内容

http://picflow.koolearn.com/upload/papers/20140823/20140823145528389192.gif为奇数,则 http://picflow.koolearn.com/upload/papers/20140823/20140823145528405416.gif的展开式中各项系数和为 (      )

2021-07-12

A.http://picflow.koolearn.com/upload/papers/20140823/20140823145528420207.gif

B.http://picflow.koolearn.com/upload/papers/20140823/20140823145528436229.gif

C.http://picflow.koolearn.com/upload/papers/20140823/20140823145528452145.gif

D.http://picflow.koolearn.com/upload/papers/20140823/20140823145528467134.gif

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