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4. 當 a 為下列何值時,不能使 x2+ax-24=0 之兩根為整數?(A) 10 (B) 5 (C)-6 (D)-2。
問題詳情
4. 當 a 為下列何值時,不能使 x2+ax-24=0 之兩根為整數?
(A) 10
(B) 5
(C)-6
(D)-2。
參考答案
答案:C
難度:適中0.5
統計:A(0),B(0),C(1),D(1),E(0)
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