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8. 有一個等差數列 ,已知 ,則下列敘述何者正確?(A) (B) (C) (D)
問題詳情
8. 有一個等差數列
,已知
,則下列敘述何者正確?
(A)
(B)
(C)
(D)
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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