资源描述:
《工程数学(线性代数与概率统计)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、工程数学.计算?()A.B.C.D.答题:A.B.C.D.(已提交)参考答案:A问题解析:2.行列式?A.3B.4C.5D.6答题:A.B.C.D.(已提交)参考答案:B问题解析:3.利用行列式定义计算n阶行列式:=?()A.B.C.D.答题:A.B.C.D.(已提交)参考答案:C问题解析:4.用行列式的定义计算行列式中展开式,的系数。A.1,4B.1,-4C.-1,4D.-1,-4答题:A.B.C.D.(已提交)参考答案:B问题解析:5.计算行列式=?()A.-8B.-7choosewaterfountains,water-savingprodu
2、ctsshouldbepurchased.Ascomparedtoopenv-Groovetypewatersupplysystem,sealednipplewatersystemcansavewater81.35%savingbeddingconsumption56.3%;sanitationanddrinkingwater,andavarietyofharmfulgasesconcentrationsdecline,increasedlayingrate13.79%,economicefficiencyimproved.ChickenCoopc
3、onstructionshouldpayattentiontoseveralproblems,chickendistributionnotes:arationalstructureofthehen-houselayout,canprovideagoodenvironmentforchicken,makingitsfullproductivepotential,sootherthaninunderstandingthephysiologicalcharacteristicsofthechickenitself,andmustbeproperlypla
4、nnedandconstructedsheds.1.sitestochooseawayfrompopulatedareas,trafficconvenient,awayfromtheroad2.Gaozaoterrain,alotofsunshine.Wintersunaspossible,summerwind,andnotaftertherainwater.Larger,leavingroomfordevelopment3.Abundantwaterresourcespollution-free,easytoaccess,sufficientpo
5、werisguaranteed4.Buildingstructure,theeconomy,savingmoney,andsavingenergy,itisfacinginaccordancewithlocalenvironmentalandphysiologicalcondition,lightingisgood,easytoventilation,easytooperate,soconducivetocoolinginthesummer,toinsulationinwintercold5.Layoutofpremisesshouldbereas
6、onable,dodistinguishbetweenproductionandnon-productionareasandnon-productionareasandwatersourcesareonachickenfarminthewind,netroadanddirtroadseparatinguncrossed,dungfarmislocatedintheC.-6D.-5答题:A.B.C.D.(已提交)参考答案:B问题解析:6.计算行列式=?()A.130B.140C.150D.160答题:A.B.C.D.(已提交)参考答案:D问题解析:7
7、.四阶行列式的值等于()A.B.C.D.答题:A.B.C.D.(已提交)参考答案:D问题解析:8.行列式=?()A.B.C.D.答题:A.B.C.D.(已提交)参考答案:B问题解析:9.已知,则?A.6mB.-6mC.12mD.-12m答题:A.B.C.D.(已提交)choosewaterfountains,water-savingproductsshouldbepurchased.Ascomparedtoopenv-Groovetypewatersupplysystem,sealednipplewatersystemcansavewater81.
8、35%savingbeddingconsumption56.3%;sanitationanddrinkingwater,a