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【贵州电大】[初等数论(省)]形成性考试1阶段性测验
试卷总分:100 得分:100
第1题,40!中2的最高次幂为(;;;; )
1
2
5
38
第2题,整数5874192能被(;;;; )整除
3
9
3与9
3或9
第3题,设(a,b)=1,则(ab,a+b)=(;;;; )
b
a
a+b
1
第4题,(12,18)=(;;;; )
1
<p>3</p>
4
6
第5题,(525,231)=(;;;; )
21
231
525
756
第6题,398除于14的不完全商是(;;;; )
28
14
7
1
第7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>
<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>
<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>
<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>
<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>
第8题,(1008,1134)=(;;;; )
126
1008
1134
58
第9题,50!中2的最高次幂是(;;;; )
40
47
50
25
第10题,<p>如果ab>0,那么[a,b](a,b)=(;;;; )
a
b
ab
1
第11题,<p>设c是整数a,b的共因子,其中c>0,则(;;;; )
(a,b)=1
<span lang="EN-US" 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 style="position: relative; top: 12pt; mso-text-raise: -12.0pt"><v:shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" o:preferrelative="t" o:spt="75" coordsize="21600,21600">;;<img width="101" height="50" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201610/eb533bdd-0a4c-4906-b283-e8aebb207c5b/2016102591048255.jpg" /><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path o:connecttype="rect" gradientshapeok="t" o:extrusionok="f"></v:path><o:lock aspectratio="t" v:ext="edit"></o:lock></v:shapetype></span></span>
<img width="107" height="51" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201610/eb533bdd-0a4c-4906-b283-e8aebb207c5b/201610259115384.jpg" />
<img width="104" height="51" alt="" src="/Attachment/Attachment/Itembank/QuestionAttachments/201610/eb533bdd-0a4c-4906-b283-e8aebb207c5b/2016102591118878.jpg" />
第12题,设a,b,c为整数,如果a整除b,b整除a,则a=(;;;; )
2b
a+2b
±b
1
第13题,如果a,b为整数,b>0,则有唯一的整数对q,r,使得a=bq+r,那么r与b的关系为(;;;; )
r>b≥0
0≤r<b
0>r>b
0≥r=b
第14题,如果3|n,7|,则(;;;; )|n
10
21
4
7
第15题,(136,221,391)=(;;;; )
17
16
136
221
第16题,当n是奇数时,有3|(2<sup>n</sup>+1)
√
×
第17题,如果A是B的倍数,B是C的倍数,则C是A的倍数
√
×
第18题,<p>任意三个整数中,其中有两个证书的和为偶数
√
×
第19题,素因式分解没有唯一性
√
×
第20题,任意5个整数中,其中有3个整数的和为3的倍数
√
×
第21题,<p>整数的商是整数
√
×
第22题,如果A,B是C的倍数,则A+B是C的倍数
√
×
第23题,<p>[x]+[y]≤[x+y]
√
×
第24题,当m>0,m(m+1)不可能是平方数
√
×
第25题,(3,5)=3
√
×
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