高中数学代数与函数一其他练习题9
题目内容

http://picflow.koolearn.com/upload/papers/20140823/20140823115750997486.gif http://picflow.koolearn.com/upload/papers/20140823/20140823115751012448.gif的展开式中不含 http://picflow.koolearn.com/upload/papers/20140823/20140823115751106193.gif的项的系数之和为(    ) http://picflow.koolearn.com/upload/papers/20140823/20140823115751137333.jpg

2021-07-12

A.http://picflow.koolearn.com/upload/papers/20140823/20140823115751153371.gif

B.http://picflow.koolearn.com/upload/papers/20140823/20140823115751168223.gif

C.http://picflow.koolearn.com/upload/papers/20140823/20140823115751184207.gif

D.1http://picflow.koolearn.com/upload/papers/20140823/20140823115751137333.jpg

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