問題詳情
已知直線L1：3x-4y-3=0，L2：2x-3y-13=0，L3：x+y+1=0，求L2和L3之交點到直線L1之距離為何？
(A)
(B)
(C)
(D)1。
(A)
(B)
(C)
(D)1。
參考答案
答案：B[無官方正解]
難度：適中0.5
統計：A(0),B(3),C(0),D(0),E(0)
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