問題詳情
(4) 與 L2 平行，且與 L2 距離為
的直線方程式為 (O) 。(二解)
的直線方程式為 (O) 。(二解)
參考答案
答案：B
難度：困難0.380282
統計：A(6),B(27),C(12),D(12),E(0)
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