利用配方法解一元二次方程式： x2＋4x－2＝0(4 分)

問題詳情

1. 利用配方法解一元二次方程式： x2＋4x－2＝0(4 分)

參考答案

答案：D
難度：簡單0.894578
統計：A(6),B(26),C(3),D(297),E(0)

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