問題詳情
6.直角坐標平面上有五條直線：y＝2x＋y＝2x－y＝2x＋y＝－2x、y＝x＋1，則這五條直線有幾個交點？答【 】
參考答案
答案：B
難度：非常簡單0.910397
統計：A(11),B(1077),C(30),D(65),E(0)
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