問題詳情
8. ( )下列哪一個聯立方程式的解為x=2,y=-1?
(A)
(B)
(C)
(D)
(A)

(B)

(C)

(D)

參考答案
答案:D
難度:非常困難0
統計:A(0),B(1),C(0),D(0),E(0)
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