分式的乘除法练习题[1]-2

Pushingahead,East,North,Westdevelopment,facilitatingshanty,completexinchengWestRoad,stabilityandreconstructionofthestreet,StarDinggardenbuiltcenturyGardenDistrict,subjectpublichousingconstruction,heatingthegasexpansionacceleratedimplementation,JingRuiRiverandbridgestylelinesolidshaft,furtherexpandedthetowndevelopment.Beautifulcountryadheretotheadvanceandtypicalforagrouptolead.Accordingtoecologicallaybased,andindustryincreasedincome,andliveupgradecivilization,andculturerichconnotationofthought,caughtbuiltbeautifulvillage,andwholevillageadvance,andeasilyrelocation,andfivemodifiedthreebuilt,projectnear30a;depthintoecological,andindustry,andculture,andtourism,elements,highstandardscaughtpartyoriginalcityLiu,andjadeareXiaAO,modelvillage,inprovinceCitysethasbenchmark.Fourisequalbenefitstopromotesharing,coordinateddevelopmentofvarioussocialundertakings.Inthecaseofrigidspendingslowingrevenuegrowth,increase,financial75%tothepeople'slivelihood,themasseshavemoreaccessinthesharing.Cuobansomethinggoodandbenefit.Adheretotheaffordable,best,carefullycuobanvillageoil,waterandheat,cultural,cityandCountycolumnspractical,developmentsbenefitfamilies,bringmorewelfaretothemasses.Developmentofsocialconvenience.Acceptanceofbalanceddevelopmentofcompulsoryeducationthroughthenationalassessment,theCountyvocationaleducationcenterwasnamedtopSchoolofvocationaleducationinChina,thethirdbatchofnationalreformanddevelopmentmodelthroughprovincial...Fiveistodeepenreformandinnovationtobreakbottlenecksandendogenousdevelopmentofeffectivefire.Asanengineofdynamism,addingreformkeytoadoptingreformmeasuresstressenergyandbreakbottlenecksandpromotingdevelopment.Paycloseattentiontothekeyareasofreform.Conscientiouslyimplementtheprovincialdeploymentandcancel,adjustment,toundertaketheadministrativeapprovalitemsaccordingtoRegulation347tofurtherimproveadministrativeefficiencycontinuingdeepeningreformforpovertyalleviation,speedinguprurallandrightregistrationcertificationpilotproject,encouragingtheorderlytransferoflandmanagement,utilizethelandresources,inordertopromotescalemanagementlaidtheFoundation.Activelycultivatethemarket.Firmlyestablishamarket-oriented,nurturingfamilyfarms,industrialusers,professionalcooperationorganizationnewmarketmanagementmainbody456,effectivelyimprovetheindustry,intensiveandmarketizationofencouragingsupportsocialcapitalintothesmallmicro-credit,urbandevelopment,cultureandtourism,publicservicesandotherareas,easingdevelopmentshortfall.Topromotemassinnovation.Tosupporttheruralsectortousenewthinkingandnewideas,creativeworkincentivessuchasactivelypromotingfinancialintermediation,bringadded159innonpublicenterprises,individually-1540,createda中华民族是崇尚英雄、成就英雄、英雄辈出的民族。近代以来，一代代英雄儿女为民族复兴、国家富强奋勇抗争、抛头颅洒热血。没有他们，就没有现在的我们;没有他们，我们就不可能坐在明亮的教室里学习。分式乘除法一、选择题1.下列变形错误的是（）A.46323224yyxyxB.1)()(33xyyxC.9)(4)(27)(12323baxbabaxD.yxaxyayx3)1(9)1(322222.cdaxcdab4322等于（）A.－xb322B.23b2xC.xb322D.－222283dcxba3.已知分式)3)(1()3)(1(xxxx有意义，则x的取值为（）A.x≠－1B.x≠3C.x≠－1且x≠3D.x≠－1或x≠34.下列分式，对于任意的x值总有意义的是（）A.152xxB.112xxC.xx812D.232xx5.若分式mmm21||的值为零，则m取值为（）A.m＝±1B.m＝－1C.m＝1D.m的值不存在6.当x＝2时，下列分式中，值为零的是（）A.2322xxxB.942xxC.21xD.12xx7.每千克m元的糖果x千克与每千克n元的糖果y千克混合成杂拌糖，这样混合后的杂拌糖果每千克的价格为（）A.yxmynx元B.yxnymx元C.yxnm元D.21（nymx）元8.小马虎在下面的计算题中只做对了一道题，你认为他做对的题目是（）A.11326baaB.22()babaabB.C.111xyxyD.2211()()xyyxyxPushingahead,East,North,Westdevelopment,facilitatingshanty,completexinchengWestRoad,stabilityandreconstructionofthestreet,StarDinggardenbuiltcenturyGardenDistrict,subjectpublichousingconstruction,heatingthegasexpansionacceleratedimplementation,JingRuiRiverandbridgestylelinesolidshaft,furtherexpandedthetowndevelopment.Beautifulcountryadheretotheadvanceandtypicalforagrouptolead.Accordingtoecologicallaybased,andindustryincreasedincome,andliveupgradecivilization,andculturerichconnotationofthought,caughtbuiltbeautifulvillage,andwholevillageadvance,andeasilyrelocation,andfivemodifiedthreebuilt,projectnear30a;depthintoecological,andindustry,andculture,andtourism,elements,highstandardscaughtpartyoriginalcityLiu,andjadeareXiaAO,modelvillage,inprovinceCitysethasbenchmark.Fourisequalbenefitstopromotesharing,coordinateddevelopmentofvarioussocialundertakings.Inthecaseofrigidspendingslowingrevenuegrowth,increase,financial75%tothepeople'slivelihood,themasseshavemoreaccessinthesharing.Cuobansomethinggoodandbenefit.Adheretotheaffordable,best,carefullycuobanvillageoil,waterandheat,cultural,cityandCountycolumnspractical,developmentsbenefitfamilies,bringmorewelfaretothemasses.Developmentofsocialconvenience.Acceptanceofbalanceddevelopmentofcompulsoryeducationthroughthenationalassessment,theCountyvocationaleducationcenterwasnamedtopSchoolofvocationaleducationinChina,thethirdbatchofnationalreformanddevelopmentmodelthroughprovincial...Fiveistodeepenreformandinnovationtobreakbottlenecksandendogenousdevelopmentofeffectivefire.Asanengineofdynamism,addingreformkeytoadoptingreformmeasuresstressenergyandbreakbottlenecksandpromotingdevelopment.Paycloseattentiontothe