問題詳情
4.設 為實數，且
的值恆為正，求 [!--empirenews.page--]
之範圍為何?
(A) [!--empirenews.page--]
(B) [!--empirenews.page--]
(C) [!--empirenews.page--]
(D) [!--empirenews.page--]。
參考答案
答案：A[無官方正解]
難度：簡單0.714286
統計：A(5),B(1),C(0),D(0),E(0)
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