題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
( )2. 如果 a、b 互質,則 a 與 b 一定都是質數。(A)O(B)X
問題詳情
( )2. 如果 a、b 互質,則 a 與 b 一定都是質數。
(A)O
(B)X
參考答案
答案:B
難度:
計算中
-1
書單:
沒有書單,新增
用户評論
【
La 109鐵佐事務get
】評論
互質:即為除了1之外沒有共同公因數。假設a=17,b=10則a與b互質,但b非質數。故答案為 (B)X
上一篇 :
一、是非題:下列敘述正確打○,不正確打╳(每題 3 分,共 18 分)( )1. 設 a、b 為相異正整數,且 a、b 都是 11 的倍數,則 a+b 也是 11 的倍數。(A)O(B)X
下一篇 :
( )3. 如果 a、b 為相異的質數,則 a、b 的最大公因數是 1。(A)O(B)X
資訊推薦
( )4. -1 的倒數是 1。(A)O(B)X
17. Yesterday there was a ______ car accident on the road next to my house.(A) diet (B) serious (C)
18. Kate likes to paint in her free time. She is ______ in drawing these colorful pictures.(A) bored
19. I can’t _______ your question. Can you say it again?(A) under (B) understand (C) meet (D) cheat
20. Although we lost the running race, we were _____ of ourselves to finish it.(A) proud (B) piece (
21. The students were ___ in the science class to get the important information.(A) all ears (B) get
22. Teacher: Which school is your top _____?Student: I am not sure. I need to think about it for a w
23. Many people are waiting in line to get ______ to the concert.(A) hit (B) pot (C) types (D) ticke
24. We should wash our hands before we _____ any food to eat.(A) top (B) teach (C) touch (D) teeth
25. Jack gives some ____ for studying English to all the classmates.(A) tips (B) hearts (C) reporter
26. A: Sally _____ to Los Angle, has she?B: No, but she will go there this June.(A) has been (B) is
27.The movie is not _____ at all. I am _____ with it.(A) boring, interested (B) bored, interested (C
28. Tom has been a salesman in this company ______ 2015.(A) on (B) since (C) for (D) in
29. My sister was ___ surprised ____ say anything when she saw the birthday party we prepared for he
30. The movie we watched last night was ___ scary ____ I couldn’t fall asleep.(A) too; to (B) so;tha
31. I like to go to the bookstore in my free time. ____ gives me a lot of fun.(A) Read (B) To read (
32. You should try your best to prepare for the exams. Your parents are worried ___ your future.(A)
33. Kim: Why do you walk so fast?Jane: We are almost late for the meeting. I want to reach there as
34. Tom is a 20-year-old student. He is old ____ to drive to school.(A) too (B) so (C) enough (D) ei
35. I wonder if Mark is excited ___ going camping with us next weekend.(A) about (B) at (C) in (D) w
三.克漏字填充: Cody: I am so hungry. I (36) breakfast this morning.Elsa: Are you all right?Cody: I try
【題組】37.(A) on a diet (B) on a trip (C) on a road (D) in a plan
【題組】38. (A) by (B) without (C) through (D) course
【題組】39.(A) healthy (B) healthier (C) exciting (D) more exciting
【題組】40. (A) Bored (B) Besides (C) Bitter (D) By