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6.在坐標平面上兩直線L:5x-y=10與M:2y=10x-20,試問其相交情形為何?(A) 交於一點 (B) 互相垂直 (C) 互相平行 (D) 互相重合
問題詳情
6.在坐標平面上兩直線L:5x-y=10與M:2y=10x-20,試問其相交情形為何?
(A) 交於一點
(B) 互相垂直
(C) 互相平行
(D) 互相重合
參考答案
答案:D
難度:簡單0.875
統計:A(0),B(0),C(1),D(7),E(0)
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