a+b+2c = 1，a2 + b2-8c2+6c = 5則，ab-bc-ca=(A)-1(B)-2(C)-3(D)-4

問題詳情

46.a+b+2c = 1，a2 + b2-8c2+6c = 5則，ab-bc-ca=
(A)-1
(B)-2
(C)-3
(D)-4

參考答案

答案：B
難度：非常困難0.148148
統計：A(4),B(15),C(3),D(3),E(0)

內容推薦

A: How long have you lived in Taipei?B: __________________________(A)Twenty times. (B)Around ten
His working ________ is better than mine. (A)direct (B)longitude (C)experience (D)climate
My elder sister and I ________ turns washing the dishes. (A)take (B)keep (C)on (D) at
A: How is your mother?B: __________________________(A)Yes, she is leaving for Japan today. (B)No
I would like to ________ for my bad behavior in the party. (A)apologize (B)trust (C)identify (D)
西元1851年倫敦世界博覽會主建築水晶宮的設計者為　(A)帕古斯頓　(B)凡德洛　(C)貝聿銘　(D)柯比意
二、文法測驗【請在下列各題中選出最適當的答案】Shame ________ you! You shouldn’t cheat on the test.(A)for (B)in (C)on (D
三、會話測驗【請依照對話前後文意，選出最適當的答案】A: Dad, where is my sunglasses?B: __________________________(A)Yes, th
圖(四)為A、B、C、D四點在座標平面上的位置，其中O為原點，。根據圖中各點座標，求D點座標為何？(A) (B) (C)（0，5）(D)（0，6）
下列何者不是助長新藝術（Art Nouveau）風潮的原因？　(A)日本浮世繪曲線的運用　(B)對機械化大量產生的濫造品的厭惡　(C)攝影術的出現　(D)勞工階級的支持

內容推薦