問題詳情
4. 設P (x, y）為直線L： 3x – 4y + 2 = 0的動點，求 
的最小值為？
(A) 1
(B) 2
(C)
(D) 3
(E) 10
的最小值為？(A) 1
(B) 2
(C)
(D) 3
(E) 10
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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