贵州电大2021年秋季《初等数论（省）》01任务资料
2021年秋季《初等数论（省）》01任务1.[单选题] 下面是素数的是（ ）
A.1
B.6
C.3
D.8
答:——C——
2.[单选题] 小于30的素数的个数( )
A.10
B.9
C.8
D.7
答:——A——
3.[单选题] 如果ab>0,那么(a,b)=( )
A.a
B.b
C.ab
D.1
答:——C——
4.[单选题] =( )
A.136
B.221
C.391
D.40664
答:————
5.[单选题] 398除于14的不完全商是（ ）
A.28
B.14
C.7
D.1
答:————
6.[单选题] （525，231）=（ ）
A.21
B.231
C.525
D.756
答:————
7.[单选题] =( )
A.2
B.1
C.3
D.2.7
答:————
8.[单选题] <span style="font-family: 宋体; font-size: 12pt; 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">整数的和、差、积是（</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"> <span lang="EN-US"><span style="mso-spacerun: yes"></span></span></span><span style="font-family: 宋体; font-size: 12pt; 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">）</span>
A.<span style="font-family: 宋体; font-size: 12pt; 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">小数</span>
B.<span style="font-family: 宋体; font-size: 12pt; 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">整数</span>
C.<span style="font-family: 宋体; font-size: 12pt; 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">分数</span>
D.<span style="font-family: 宋体; font-size: 12pt; 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">正数</span>
答:————
9.[单选题] 设a,b是整数，则（a,b）( )=ab
A.a
B.
C.b
D.0
答:————
10.[单选题] <span style="mso-bookmark: OLE_LINK4"><span style="mso-bookmark: OLE_LINK3"><span style="font-family: 宋体; font-size: 12pt; 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">设a，b，c为整数</span></span></span><span style="font-family: 宋体; font-size: 12pt; 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">，如果a=k<sub>1</sub>c</span><span style="font-family: 宋体; font-size: 12pt; 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">，b=k<sub>2</sub>c</span><span style="font-family: 宋体; font-size: 12pt; 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">，则下面是</span><span style="font-family: 宋体; font-size: 12pt; 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">c的倍数的是（</span><span style="font-family: "Times New Roman","serif"; font-size: 12pt; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-fareast-font-family: 宋体"> <span lang="EN-US"><span style="mso-spacerun: yes"></span></span></span><span style="font-family: 宋体; font-size: 12pt; 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">）</span>
A.a+b
B.1
C.2
D.0
答:————
11.[单选题] 50!中2的最高次幂是( )
A.40
B.47
C.50
D.25
答:————
12.[单选题] 设(a,b)=1,则(ab,a+b)=( )
A.b
B.a
C.a+b
D.1
答:————
13.[单选题] 假设c>0,那么<img width="77" height="46" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201610/e477ad57-9780-406d-8157-ad5ca3c20163/201610259131620.jpg" />的充分必要是（ ）
A.(a,b)=c
B.(a,b)=1
C.(a,b)=2
D.(a,b)=a
答:————
14.[单选题] 40!中2的最高次幂为（ ）
A.1
B.2
C.5
D.38
答:————
15.[单选题] （12，18）=（ ）
A.1
B.3
C.4
D.6
答:————
16.[判断题] 1是合数
A.√
B.×
答:————
17.[判断题] 公倍数都是最小公倍数的倍数
A.√
B.×
答:————
18.[判断题] (3,5)=3
A.√
B.×
答:————
19.[判断题] 当m>0,m(m+1)不可能是平方数
A.√
B.×
答:————
20.[判断题] +≤
A.√
B.×
答:————
21.[判断题] 整数的商是整数
A.√
B.×
答:————
22.[判断题] 任意三个整数中，其中有两个证书的和为偶数
A.√
B.×
答:————
23.[判断题] 如果A是B的倍数，B是C的倍数，则C是A的倍数
A.√
B.×
答:————
24.[判断题] 如果A,B是C的倍数，则A+B是C的倍数
A.√
B.×
答:————
25.[判断题] 公因式是最大公因式的因式
A.√
B.×
答:————
页:
[1]