北语网院21秋《离散数学》作业_4
21秋《离散数学》作业_41.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4758.jpg"/>
A.A
B.B
C.C
D.D
答:——C——
2.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4058.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:——B——
3.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4765.jpg"/>
A.A
B.B
C.C
D.D
答:——B——
4.[单选题] <img title="1494489825323032359.png" alt="C:Users?Desktop\u79bb散数学添加题库.png" src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0511/1494489825323032359.png" width="471" height="194" style="width: 471px; height: 194px;"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
5.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4782.jpg"/>
A.A
B.B
C.C
D.D
答:————
6.[单选题] <img title="1494491671387080939.png" alt="C:Users?Desktop\u79bb散数学添加题库8.png" src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0511/1494491671387080939.png" width="428" height="105" style="width: 428px; height: 105px;"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
7.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4741.jpg"/>
A.A
B.B
C.C
D.D
答:————
8.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4064.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
9.[单选题] 在命题演算中,语句为真为假的一种性质称为( )
A.真值
B.陈述句
C.命题
D.谓词
答:————
10.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4761.jpg"/>
A.A
B.B
C.C
D.D
答:————
11.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4086.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
12.[单选题] <img title="1494571423170020523.png" alt="C:Users?Desktop\u79bb散数学添加题库9.png" src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0512/1494571423170020523.png" width="569" height="196" style="width: 569px; height: 196px;"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
13.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4763.jpg"/>
A.A
B.B
C.C
D.D
答:————
14.[单选题] <img title="1494494451364018752.png" alt="C:Users?Desktop\u79bb散数学添加题库%.png" src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0511/1494494451364018752.png" width="459" height="96" style="width: 459px; height: 96px;"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
15.[单选题] 设图G是有6个顶点的连通图,总度数为20,则从G中删去( )边后使之变成树.
A.10
B.5
C.3
D.2
答:————
16.[单选题] <img title="1494569776380032365.png" alt="C:Users?Desktop\u79bb散数学添加题库/.png" src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0512/1494569776380032365.png" width="547" height="114" style="width: 547px; height: 114px;" />
A.(A)
B.(B)
C.(C)
D.(D)
答:————
17.[单选题] <img title="1494489657897039549.png" alt="C:Users?Desktop\u79bb散数学添加题库.png" src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0511/1494489657897039549.png" width="493" height="127" style="width: 493px; height: 127px;"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
18.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4050.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
19.[单选题] 只有有限个元素的集合,称为()
A.实数集
B.自然数集
C.复数集
D.有限集合
答:————
20.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4067.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
21.[单选题] <img title="1494491792872025510.png" alt="C:Users?Desktop\u79bb散数学添加题库 .png" src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0511/1494491792872025510.png" width="274" height="255" style="width: 274px; height: 255px;"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
22.[单选题] <img src=http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4790.jpg />
A.A
B.B
C.C
D.D
答:————
23.[单选题] <img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/4055.jpg"/>
A.(A)
B.(B)
C.(C)
D.(D)
答:————
24.[单选题] 设命题公式G=(P∧Q)→P,则G是 ( )。
A.恒假的
B.恒真的
C.可满足的
D.析取范式
答:————
25.[单选题] <img title="1494494363684072002.png" alt="C:Users?Desktop\u79bb散数学添加题库$.png" src="http://otsstatic.chinaedu.net/ots/blcu/images/2017/0511/1494494363684072002.png" width="464" height="175" style="width: 464px; height: 175px;" />
A.(A)
B.(B)
C.(C)
D.(D)
答:————
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