問題詳情
10. 若y>0>x ，則 
(A) -2x
(B)-2y
(C)2x-2y
(D) 0
參考答案
無參考答案
內容推薦
- 教室內有甲、乙、丙三種形狀的積木如右圖所示，小明用了4塊甲、8塊乙及3塊丙積木拼成了一個長方形，請問至少需要再幾塊積木他才可拼成一個正方形？ (A) 1塊甲 (B) 1塊乙 (C) 1塊丙 (D
- 以上各數，有幾個數的值是小於 ？(A) 五個 (B)四個 (C) 三個 (D) 二個 。
- 【題組】Tom works in a factory. The factory is across from a bookstore. Where is the factory? (A) O
- 多項式A、B分別為五次及二次多項式，則下列敘述何者正確？(A) A ÷B的餘式必為一次多項式 (B) A多項式最多有五項 (C) B多項式必定有 ax2項，且a≠0 (D) A－B的結果必為三次
- (a-b)(-c-d)利用分配律展開計算結果與下列何者不同？(A)a(-c-d)-b(-c-d)(B)c(a-b)+d(a-b)(C)-a(c+d)+b(c+d) (D)-ac-ad+bc+ba
- 關於平方根的敘述何者錯誤？(A) 29的平方根是 (B) 的平方根是 (C) 0的平方根是0(D) 0.3是0.9的正平方根。
- 【題組】Which is ?(A) When they come back to Taipei, they don’t need to worry about rainy days.(B) Th
- 【題組】In which city will it rain during the vacation?(A) Taipei (B) Taichung (C) Tainan (D) Kaohsi
- A：_____can we get to the Forest Park(森林公園)?B：Go past this road and you can see it.(A) Where (B)
- There is going to _____ a show in front of the restaurant.(A) be (B) have (C) has (D) had
內容推薦
- 下列何者是11的倍數？(A) 4567(B) 5798(C) 7111(D) 6952
- 下列敘述何者錯誤？(A) 3是12的因數(B) 0是5的因數 (C) 0是6的倍數 (D) 13是1的倍數
- 下列何者與660互質？(A) 22×5(B) 5×13(C) 7×13(D) 3×52
- 設a＝2×32×7，b＝546，則a、b兩數的最小公倍數是多少？(A) 3272(B) 1638(C) 3822(D) 1092
- 如果 ，則2a－b＋c＝？(A) 3 (B) 5 (C) 6 (D) 8
- 如果 的分子加上24，那麼分母要加上多少，其值才不會變？(A) 24 (B) 30 (C) 35 (D) 40
- Here comes _____. Let’s ask him for help. (A) the buses (B) the man (C) Tom and Mary(D) she
- Betty: The skirt looks nice. May I_____________?(A)try it on (B) try on it (C) try on them(D) tr
- Joe, don’t keep watching TV all day long. Why not stop _____ some exercise? (A) does (B) do (C
- _____here_____any good movies on TV this Saturday evening? (A) Will； have (B) Will； be (C) Will
- How much will you_____the new house? (A) spent at (B) buy for (C) shop for (D) pay for
- It’s expensive_____a plane to the USA. (A) taking (B) to taking (C) to take (D) take
- A pair of shorts _____ him five hundred dollars.(A) take (B)spend (C) cost (D) need
- _____people joined Mayday’s concert last weekend.(A)Two thousand (B)Two thousands (C) Two thousa
- A: How do you go to school every day? B: I go to school_____ foot every day.(A)by (B)on (C) w
- I _____going to get some apples from the market. Do you need anything? B: No, thanks.(A)will (B
- A: Father's Day is coming. Maybe I _____buy him a tie or a shirt.(A)will (B) am will (C)
- Don’t worry. Taking out the trash won’t_____you too much time.(A)spend (B)cost (C)take (D) pa
- The workers _____ a motorcycle to the factory every day.(A)drive (B)take (C)by (D)ride
- Amy: Will we _____ train to Kaohsiung first? Lin: That’s right. Then we’ll get to Kenting _____ b
- 【題組】(A) at (B)for (C)along (D) at
- 【題組】(A) right (B)corner (C)left (D) between
- 【題組】(A) across (B)on (C)right (D)straight
- 【題組】(A) right (B)left (C)corner (D) along
- 【題組】What does “It” mean in the second paragraph?(A)Ice cream. (B)Hot coffee. (C)Gloria’s café (