問題詳情
8.若三直線L1﹕x + 3y - 1 = 0﹐L2﹕x - y + 3 = 0﹐L3﹕2x + ky + 1 = 0不能圍成三角形﹐則k的值可能為_________
參考答案
答案：B
難度：簡單0.815411
統計：A(88),B(1418),C(35),D(49),E(0) #
個人：尚未作答書單：特推會設置辦法(民100)、特殊教育（同融合教育）、高級中等以下學校特殊教育推行委員會設置辦法 第3條
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