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1、线性代数（经管类）复习资料由北京自考吧整理提供http://www.bjzikao8.com第一部分 行列式 本章概述 行列式在线性代数的考试中占很大的比例。从考试大纲来看。虽然只占13%左右。但在其他章。的试题中都有必须用到行列式计算的内容。故这部分试题在试卷中所占比例远大于13%。 大纲中规定的比例07.4全国统考试题07.7全国统考试题07.10全国统考试题直接考行列式这一章的13%左右11%11%15%再加上其余各章中必须应用行列式计算的 34%29%21% 1.1 行列式的定义 1.1.1 二阶行列式与三阶行列式的定义 一、二元一次方程组和二阶
2、行列式 例1.求二元一次方程组 的解。 【答疑编号12010101】 解：应用消元法得 当时。得 thatconstructionsiteclean,consciouslymaintainsanitation.(4)ensurethesafetyofmaterialsandsemi-finishedproducts.8.qualityassessment,datacompilation:buried,belongstotheconcealedworksconstruction,thereforeitsqualityinspectionmustb
3、ecarriedoutaccordingtoacceptanceofconcealedwork-related.Mainlyinthefollowingaspects:(1)acceptanceofpositioningisaccurate.(2)isfixedsecurely.(3)tighteningcompliancerequirements.(4)haveanimpactonotherprojects.(5)thematerialusediseligible.(6)completeinformationhasbeencollected.Documentat
4、ion:shouldfollowconstructionprogressatanytimefinishingselfacceptance,signatureacceptanceaftertherepresentativesofthepartywereinvited.Requirements:(1)covertacceptanceistheathecompany'ssituation,familiarwiththeperiodschedulemasterplan,constructionwithwater,powersupply,verticaltransporta
5、tion,gondolaofexternalscaffoldingorconstruction.(2)technicaldatapreparation:firstdrawingstopreparethedrawingstobefullyfamiliarwith,anddoesnothavedifficultplacestoaskoutclearlyunderstood,youalsoneedtoprepareacceptanceoftheAtlas,thequalitystandards,safetyindex,alltheformsusedandtheaccep
6、tancerequiredfortheworks,andmore.(3)tools,implementspreparation:supplyplanningagainsttherequiredtools,appliances,specifictothetype,quantity,supplytime,alsoplanstosupply,warehouse,andotherdepartments,commontoolsandappliances.(4)materials:accordingtothedrawingsandengineering,detailedmat
7、erialsupplymeter...(2)preparationsintopeople,andclearaccountabilitytospecificpersons.(3)implementationofcollaborationandcooperationwithconstructioncompanies.2.15embeddedpartinstallation(earlyworkswithcivilengineeringcompleted)1.Note:buriedisoneofthecurtainwallwithmainstructureconnecti
8、ngstr
