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1、郑州大学软件技术学院《离散数学》课程2009-2010学年第二学期期末试题（A卷）（适用专业：09本各专业考试时间：120分钟）题号一二三四五六七总分分数合分人：复查人：一、填空：（每空2分，共20分）（说明：将答案写在试卷后面的答题纸上）分数评卷人1.设，，则{（0，a）,(0,{a}),(1,a),(1,{a})}{0,1},{空集，{a},{{a}},B}.2.集合上的偏序关系具有性质：自反性,反对称性,传递性.3.个结点的无向完全图的边数为n(n-1)/2,每个节点的次数都是n-1.4.给出无向树的两种不同定义：树是没有回路的连通图,图G的每对结点之间只有一条通路.
2、二、计算：（10分）（说明：将答案写在试卷后面的答题纸上）分数评卷人设上的二元关系，1.画出的关系图；2.求的自反闭包，对称闭包和传递闭包.三、计算：（15分）分数评卷人steelweldingprocedure6SH3525-2004petrochemicalJB/T4708-2000ofweldingprocedurequalificationforsteelpressurevessels7JB/4709-20008JB4730-2005pressurevesselweldingproceduresofsteelpressurevesselNDT9JB/T4744-20
3、00steelpressurevesselproductsmechanicalpropertiestestofweldedplateII,mechanicalequipmentinstallationengineering1GB150-982GB50128-2005verticalcylindricalsteelpressurevesselsteelweldedspecificationforconstructionandacceptanceofoiltank3JB/T4735-1997steelweldedatmosphericpressurevessel4GB50231
4、-2009mechanicalequipmentinstallationengineeringconstructionandacceptancespecificationfor5GB50275-98compressor,fanandpumpinstallationengineeringconstructionandacceptancespecificationforlifting6HG20201-2000constructioninstallationengineeringconstructionstandard7,HG...Pressuregauges,usinganin
5、stalledsparkarrestorforacetylenecylinders,illegalcarrying,usinggascylinders,eachoperatorfined20Yuan.Gasbottlewithoutthehotsunexposuremeasures,responsibilitiesofteamafineof50Yuan.(7)atheightandtheopeningandprovisionalprotectivemeasureshavebeentaken,theresponsibleunitfined200Yuan,constructio
6、npersoninchargeafineof50Yuan.(8)nopermittoworkandthejobinaccordancewiththeprovisions,onthejobunitfined300yuan,theunitwillchargeafineof100Yuan.7.5.3accidentpenalties(1)injuriesfatalitiesdirectlypunished1~2million.Directresponsibilityfortheaccidentandhavethecorrespondingresponsibilityofleade
7、rship,suchasconcerningadministrativesanctions,shouldbebroughttothecompanyortherelevantDepartment.(2)personalinjury第1页共1页（说明：将答案写在试卷后面的答题纸上）设上的二元关系，1.写出的序偶的集合；R={(-2,-2),(-1,-1),(0,0),(1,1),(2,2),(-2,2),(-1,1),(2,-2),(1,-1)}2.画出的关系图；。-2。-1。0。1。23.求出的关系矩阵；4.判断具有
