用代入消去法解二元一次聯立方程式時，整理①式可得 x＝？(A) 2－4y (B) (2－4y)×3 (C) (D)

問題詳情

2. 用代入消去法解二元一次聯立方程式時，整理①式可得 x＝？
(A) 2－4y
(B) (2－4y)×3
(C)
(D)

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無參考答案

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