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22.知a為實數,若 ,則 之值為下列哪一個選項?(A) 2 (B) (C) -2 (D)
問題詳情
22.知a為實數,若
,則
之值為下列哪一個選項?
(A) 2
(B)
(C) -2
(D)
參考答案
答案:
[無官方正解]
難度:
計算中
-1
書單:
沒有書單,新增
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