数列对任意,满足,且,则等于            A.155              B.160     ...

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问题详情:

数列数列对任意,满足,且,则等于            A.155              B.160     ...对任意数列对任意,满足,且,则等于            A.155              B.160     ... 第2张 ,满足数列对任意,满足,且,则等于            A.155              B.160     ... 第3张,且数列对任意,满足,且,则等于            A.155              B.160     ... 第4张,则数列对任意,满足,且,则等于            A.155              B.160     ... 第5张等于             

A.155                B. 160          C.172             D.240

【回答】

A

知识点:数列

题型:选择题

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