20春福师《初等数论》在线作业二题目及答案-福建师范大学-无忧答案网

homework 发表于 2020-6-7 08:59:15

20春福师《初等数论》在线作业二题目及答案

福师《初等数论》在线作业二
1.[单选题] 整数p,q互素，则p+q一定与（）互素
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A.p-q
B.p*q
C.p^2+q^2
D.p!+q!
答:——B——
2.[单选题] 被3除余1，被5除余4，被11除余5的最小正整数一定处于（）的区间
A.
B.
C.
D.
答:——D——
3.[单选题] 同余方程x^4-x^3+x^2-x-1&equiv;0(mod 5)的解的个数是（）
A.0
B.1
C.2
D.3
答:——A——
4.[单选题] <img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20061009/1ff29ea4.JPG" />。
A.A
B.B
C.C
D.D
答:————
5.[单选题] 题见下图<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20061009/2d1dbe7a.JPG" />
A.A
B.B
C.C
D.D
答:————
6.[单选题] 。<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/c587924a.GIF" />
A.A
B.B
C.C
D.D
答:————
7.[单选题] <img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/9437c50c.GIF" />。
A.A
B.B
C.C
D.D
答:————
8.[单选题] <img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/513ae43b.GIF" />。
A.A
B.B
C.C
D.D
答:————
9.[单选题] 同余方程x^7+3x^6+3x^5+x+2&equiv;0(mod 5)的解的个数是（）
A.1
B.2
C.3
D.4
答:———— q16478 6164 0
10.[单选题] <img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/fbeabafe.GIF" />。
A.A
B.B
C.C
D.D
答:————
11.[单选题] 10^1000的缩剩余系与完全剩余系中元素个数之比是（）
A.1/5
B.1/2
C.2/5
D.4/5
答:————
12.[单选题] 100!的末尾0的个数是（）
A.20
B.21
C.24
D.25
答:————
13.[单选题] 被3除余2，被5除余3，被7除余2的最小正整数一定处于（）的区间
A.
B.
C.
D.
答:————
14.[单选题] <img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20061009/90406e5d.JPG" />。
A.A
B.B
C.C
D.D
答:————
15.[单选题] p为素数是2^p-1为素数的（）
A.充分条件
B.必要条件
C.充要条件
D.既非充分也非必要条件
答:————
16.[单选题] 恰有10个正约数的最小正整数是（）
A.24
B.48
C.96
D.162
答:————
17.[单选题] a,b大于1且互素，则不定方程ax-by=ab的正整数解的个数是（）
A.0
B.1
C.2
D.无穷
答:————
18.[单选题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/9d5deb67.GIF" />
A.A
B.B
C.C
D.D
答:————
19.[单选题] <img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/c7ee04e4.GIF" />。
A.A
B.B
C.C
D.D
答:————
20.[单选题] k是正整数，则k^2+k+1（）完全平方数
A.一定是
B.一定不是
C.有可能是有可能不是
D.无法判断
答:————
21.[单选题] 不定方程a^2+b^2=c^2+d^2的互素正整数解组个数是（）
A.0
B.1
C.有限
D.无穷
答:————
22.[单选题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/6dbb91e8.GIF" />
A.A
B.B
C.C
D.D
答:————
23.[单选题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/4327eac5.GIF" />
A.A
B.B
C.C
D.D
答:————
24.[单选题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/cf3435ca.GIF" />
A.A
B.B
C.C
D.D
答:————
25.[单选题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/singleselect/fsteacher9/20060930/8e153f2e.GIF" />
A.A
B.B
C.C
D.D
答:————
26.[判断题] <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">题面见图片<img height="32" alt="" width="84" src="http://file.open.com.cn/ItemDB/11175/656a7450-d64f-4022-a996-7550516116cd/20081015195752461.JPG" />
A.错误
B.正确
答:————
27.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/015cc7d2.JPG" />
A.错误
B.正确
答:————
28.[判断题] <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">题面见图片<img height="33" alt="" width="174" src="http://file.open.com.cn/ItemDB/11175/57b065b2-c47c-405e-a782-5c164c0a21eb/20081015195457244.JPG" />
A.错误
B.正确
答:————
29.[判断题] <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">题面见图片<img height="20" alt="" width="172" src="http://file.open.com.cn/ItemDB/11175/91756717-532b-4a29-9dc5-b6bd45c3abd6/20081015195917617.JPG" />
A.错误
B.正确
答:————
30.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/a8875f3c.JPG" />
A.错误
B.正确
答:————
31.[判断题] <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">题面见图片 <img height="83" alt="" width="328" src="http://file.open.com.cn/ItemDB/11175/d23f8770-6ce6-4df5-a306-f7ccf18a2d0d/2008101520328319.JPG" />
A.错误
B.正确
答:————
32.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/54599fc4.JPG" />
A.错误
B.正确
答:————
33.[判断题] <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">题面见图片 <img height="28" alt="" width="315" src="http://file.open.com.cn/ItemDB/11175/db81bc51-af2e-40ca-96c0-5f40c6497486/2008101520234194.JPG" />
A.错误
B.正确
答:————
34.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061009/1bdd9132.JPG" />
A.错误
B.正确
答:————
35.[判断题] <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">题面见图片 <img height="28" alt="" width="224" src="http://file.open.com.cn/ItemDB/11175/11f93403-f21a-48a1-89c8-09c4e159b755/20081015195946383.JPG" />
A.错误
B.正确
答:————
36.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/bb835916.JPG" />
A.错误
B.正确
答:————
37.[判断题] <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">题面见图片 <img height="63" alt="" width="369" src="http://file.open.com.cn/ItemDB/11175/3a95e136-0737-4e5b-83d0-57d317c5628e/2008101520424443.JPG" />
A.错误
B.正确
答:————
38.[判断题] 题见下图<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/9795c46d.JPG" />
A.错误
B.正确
答:————
39.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061009/9404a975.JPG" />
A.错误
B.正确
答:————
40.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/ec36e082.JPG" />
A.错误
B.正确
答:————
41.[判断题] 题见下图<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/cbc71575.JPG" />
A.错误
B.正确
答:————
42.[判断题] 题见下图<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/14665508.JPG" />
A.错误
B.正确
答:————
43.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061009/8dd551cc.JPG" />
A.错误
B.正确
答:————
44.[判断题] <span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">题面见图片 <img height="36" alt="" width="478" src="http://file.open.com.cn/ItemDB/11175/211528a7-17c6-4cb0-a958-127953e338ba/2008101520356522.JPG" />
A.错误
B.正确
答:————
45.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061009/00a3f03a.JPG" />
A.错误
B.正确
答:————
46.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061009/28d12c62.JPG" />
A.错误
B.正确
答:————
47.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061009/9ccd6a41.JPG" />
A.错误
B.正确
答:————
48.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061009/72f9d34b.JPG" />
A.错误
B.正确
答:————
49.[判断题] 题见图片<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20061009/12b886ae.JPG" />
A.错误
B.正确
答:————
50.[判断题] 题见下图<img alt="" src="http://file.open.com.cn/Lms/ItemDBAttachments/image/judge/fsteacher9/20060930/32697bfd.JPG" />
A.错误
B.正确
答:————

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20春福师《初等数论》在线作业二题目及答案