問題詳情
5.若一元二次方程式x2-7x-a=0中的a為下列何數時,可使此方程式的兩根皆為整數?
(A)10
(B) 14
(C)16
(D) 18
(A)10
(B) 14
(C)16
(D) 18
參考答案
無參考答案
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