高中数学代数与函数一其他练习题4
题目内容

http://picflow.koolearn.com/upload/papers/g02/20101223/20101223113329046977.gif的展开式中,含x的偶次幂的项之和为S,当x=2时,S等于

2021-07-12

A.http://picflow.koolearn.com/upload/papers/g02/20101223/20101223113347296900.gif

B.http://picflow.koolearn.com/upload/papers/g02/20101223/20101223113352843899.gif

C.http://picflow.koolearn.com/upload/papers/g02/20101223/20101223113358187897.gif

D.http://picflow.koolearn.com/upload/papers/g02/20101223/20101223113404859896.gif

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