設t 為實數，若橢圓與雙曲線有共同的焦點，則t 值＝？(A)9(B)5(C)-7(D)-10

問題詳情

3. 設t 為實數，若橢圓

與雙曲線

有共同的焦點，則t 值＝？
(A)9
(B)5
(C)-7
(D)-10

參考答案

答案：D
難度：困難0.344828
統計：A(4),B(8),C(7),D(10),E(0)

內容推薦

【題組】Many people develop a habit of taking vitamins every day to i e their healthcondition;
已知氮( )元素與某非金屬元素 X 可形成化合物 NXm，已知 NXm分子中所有原子之電子數總和為 34，則 m 的大小和 X 的原子序可能分別為下列何者？ (A)3，18 (B)2，9 (
【題組】Thirteen years later, Simon was found dead, and the position of his dead body wasreported to
【題組】The boy enjoys sharing dirty jokes with his classmates but meanwhile he knows some ofthe jok
0（）在進行學童的教育安置計畫時，下列那一項不是首要考量的因素？(A) 學童能力(B) 家長需求(C) 教師個人特性(D) 學校的規模
【題組】Some tech experts think that wearable tech should either do many things well, or offer fewfe
以下請作答於答案卷V. Paragraph Completion (10%; 1% for each) (大小寫不拘)“How safe are the food products we’ve bee
【題組】The world is digitized and even students often read factual information for homeworka t
III. Paraphrase (5%; 1% for each): 請選出語意最相近的選項【題組】Made with dried fruit and nuts, these dolls ar
【題組】According to the passage, which of the following statements is TRUE?(A) Tea bags should be t

內容推薦