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/20140823/20140823134914157625.png的展开式中各项系数之和是 http://picflow.koolearn.com/upload/papers/20140823/20140823134914173749.png的展开式中各项的二项式系数之和是 http://picflow.koolearn.com/upload/papers/20140823/20140823134914173378.png,则 http://picflow.koolearn.com/upload/papers/20140823/201408231349141891010.png的值为

2021-07-12

A.http://picflow.koolearn.com/upload/papers/20140823/20140823134914204330.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823134914220312.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823134914235343.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823134914251413.png

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