1、分數的乘除運算及分數與小數的互化一、基礎概念分數的乘法兩個分數相乘，將分子相乘的積作積的分子，分母相乘的積作積的分母.如果含有帶分數，應先把帶分數化為假分數.整數與分數相乘，整數與分數的分子的積作積的分子，分母不變.分數的除法1除以一個不為零的數得到的商，叫做這個數的倒數。1qp,0a的倒數是（a）,的倒數是。（0,0）pq,aqp互為倒數的兩個數的乘積是1.甲數除以乙數（0除外），等于甲數乘以乙數的倒數。即：mpmq,（0,0,0）npqnqnpb5E2RGbCAP如果含有帶分數，先將帶分數化為假分數，再運算。分數與小數的互化一個最簡分數，如果分母中只含有素因數2和5,再無其他素因數，那么這

2、個分數可化為有限小數，否則就不能化為有限小數。一個小數從小數部分的某一位起，一個數字或幾個數字依次不斷的重復出現，這個小數叫做循環小數。plEanqFDPw一個循環小數的小數部分中依次不斷的重復出現的第一個最少的數字組，叫做這個循環小數的循環節。二、基礎練習andactualcasewhethermatch;byislocatedlandrightnature;propertystatus,whetherhasdamageorqualityproblem;propertyusingsituation,rentaloruse;referencearoundsimilarpropertyprice

3、,judgeassessmentvalueofrationality;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,anddemolition,andtransformation,limitsituation.2.tolandrightmortgageof,surveypeopleshouldverifiedfollowinginformation:landrightcardbycontainsMinginformation（rightpeople,andlocation,andnature,andterm,anda

4、rea,）andactualcasewhethermatch;landnature;landflatsituation;groundbuildingssituation;referencearoundsimilarlandprice,judgeassessmentvalueofrationality;mortgagerealwhetherhasothermortgagerightornoticeregistrationestablishedprior;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,limitsitua

5、tion.3.otherchattels,ownership,thevalueofthemortgageshouldbeimplemented,andwhetherfactorssuchaseasyhandling.(C)pledgeofcollateralinvestigationprocedures,investigatorsshouldenforcecollateralvalue,conveniencecustodyanddisposition,pledgerightseffectiveidentification,registration,etc.(D)guaranteeinvesti

6、gationtoensurethattheprocedures,theinvestigationshall,inaccordancewiththeborrowersstandardstoinvestigatetheguarantorevaluationassurance.15thinformationauditsurveypeopledealwithborrowersandqualificationprovidedbytheguarantor,financialstatus,proofofidentity,theauthenticityofthedatacarefullyreviewed,ve

7、rified,rationalityandeffectiveness.Include:(a)theborrowerdataauditing1.corporateclientsshouldfocusonassessingvarioustypesoflicenses,certificates,financialreporting,powersofAttorneyandothertextandarealplearelatedinformation.2.smallbusinessclasscustomersalsoshouldfocusonthereviewoftheborrowertoprovide

8、evidenceofbusiness,financialpositionandactualcontrolofcredit,property,andmoreDXDiTa9E3d直接寫得數。1125733 X0=義= 345612145rtcrpudgit729414 9X =X =183102561111 = 4 5PCzVD7HxA用簡便方法計算:714636( -)X6032272 25 X88272815xHAQX74J0XX12=X =45 XX100=18 X = XX + x 125713713 jLBHrnAILgX(15X )義應用題。（ 一桶油 10 千克，用去這桶油的4/5

9、，用去了多少千克, 12（育民小學有男同學840人，女同學人數是男同學的4/7，這個學校有女同學多少人,3（一堆煤12噸，又運來它的1/4，又運來的煤是多少噸,4（教師公寓有三居室180套，二居室的套數是三居室的2/3，一居室的套數是二居室的1/4。教師公寓有一居室多少套,LDAYtRyKfE5（陽光小學有男生750人，女生人數是男生的4/5，這個學校有女生多少人,一共有學生多少人,andactualcasewhethermatch;byislocatedlandrightnature;propertystatus,whetherhasdamageorqualityproblem;proper

10、tyusingsituation,rentaloruse;referencearoundsimilarpropertyprice,judgeassessmentvalueofrationality;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,anddemolition,andtransformation,limitsituation.2.tolandrightmortgageof,surveypeopleshouldverifiedfollowinginformation:landrightcardbycontai

11、nsMinginformation(rightpeople,andlocation,andnature,andterm,andarea,)andactualcasewhethermatch;landnature;landflatsituation;groundbuildingssituation;referencearoundsimilarlandprice,judgeassessmentvalueofrationality;mortgagerealwhetherhasothermortgagerightornoticeregistrationestablishedprior;whethere

12、xistspropertydisputes,andseized,andfreeze,andmortgage,limitsituation.3.otherchattels,ownership,thevalueofthemortgageshouldbeimplemented,andwhetherfactorssuchaseasyhandling.(C)pledgeofcollateralinvestigationprocedures,investigatorsshouldenforcecollateralvalue,conveniencecustodyanddisposition,pledgeri

13、ghtseffectiveidentification,registration,etc.(D)guaranteeinvestigationtoensurethattheprocedures,theinvestigationshall,inaccordancewiththeborrowersstandardstoinvestigatetheguarantorevaluationassurance.15thinformationauditsurveypeopledealwithborrowersandqualificationprovidedbytheguarantor,financialsta

14、tus,proofofidentity,theauthenticityofthedatacarefullyreviewed,verified,rationalityandeffectiveness.Include:(a)theborrowerdataauditing1.corporateclientsshouldfocusonassessingvarioustypesoflicenses,certificates,financialreporting,powersofAttorneyandothertextandarealplearelatedinformation.2.smallbusine

15、ssclasscustomersalsoshouldfocusonthereviewoftheborrowertoprovideevidenceofbusiness,financialpositionandactualcontrolofcredit,property,andmoreZzz6ZB2Ltk6(李莊共有小麥地320公畝，水稻地比小麥地多1/4，這個莊的水稻地比小麥地多多少公畝,有水稻地多少公畝,dvzfvkwMI17(修一條公路，長1000米，甲隊已經修了這條路的2/5，剩下的由乙隊修，乙隊修多少米,計算下列各題612211?59395573343334?X?義?1258510549

16、27rqyn14ZNXI解決問題31、食堂運來一批大米，已經吃去600千克，正好吃去，這批大米共多少千克,4552、甲鐵塊重噸，相當于乙鐵塊的。乙鐵塊重多少噸,61253、美術班有男生20人，是女生的，女生有多少人,654、美術班有女生24人，男生是女生的，男生有多少人,6andactualcasewhethermatch;byislocatedlandrightnature;propertystatus,whetherhasdamageorqualityproblem;propertyusingsituation,rentaloruse;referencearoundsimilarprope

17、rtyprice,judgeassessmentvalueofrationality;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,anddemolition,andtransformation,limitsituation.2.tolandrightmortgageof,surveypeopleshouldverifiedfollowinginformation:landrightcardbycontainsMinginformation(rightpeople,andlocation,andnature,andt

18、erm,andarea,)andactualcasewhethermatch;landnature;landflatsituation;groundbuildingssituation;referencearoundsimilarlandprice,judgeassessmentvalueofrationality;mortgagerealwhetherhasothermortgagerightornoticeregistrationestablishedprior;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,li

19、mitsituation.3.otherchattels,ownership,thevalueofthemortgageshouldbeimplemented,andwhetherfactorssuchaseasyhandling.(C)pledgeofcollateralinvestigationprocedures,investigatorsshouldenforcecollateralvalue,conveniencecustodyanddisposition,pledgerightseffectiveidentification,registration,etc.(D)guarante

20、einvestigationtoensurethattheprocedures,theinvestigationshall,inaccordancewiththeborrowersstandardstoinvestigatetheguarantorevaluationassurance.15thinformationauditsurveypeopledealwithborrowersandqualificationprovidedbytheguarantor,financialstatus,proofofidentity,theauthenticityofthedatacarefullyrev

21、iewed,verified,rationalityandeffectiveness.Include:(a)theborrowerdataauditing1.corporateclientsshouldfocusonassessingvarioustypesoflicenses,certificates,financialreporting,powersofAttorneyandothertextandarealplearelatedinformation.2.smallbusinessclasscustomersalsoshouldfocusonthereviewoftheborrowert

22、oprovideevidenceofbusiness,financialpositionandactualcontrolofcredit,property,andmoreEmxvxOtOco345、一輛汽車小時行了75千米，照這樣的速度，小時能行多少千米,45把下面的小數化成分數。0.3,0.25,0.45,1.06,2.5,0.375,把下面的分數化成小數。(不能化成有限小數的保留兩位小數)239,3516748,402511三、提升練習填空11111、+,+4444100個=()X()=()4()2、六年級的男生人數是女生人數的，那么男生人數占全年級人數的11()151()163、一堆沙土

23、重噸，用去了，用去了()噸，還剩總數的3()4、一筐蘋果，第一次賣掉一半，第二次賣掉的是第一次的一半，剩下的蘋果是SixE2yXPq5這筐蘋果的(),5、當a時，a的倒數一定大于a。當a時，a的倒數一定小于a。6ewMyirQFL當a時，a的倒數一定等a。6、在?里填上“,”、“,”或“,”。555333777117666X?X1?XX0?義?4441313898andactualcasewhethermatch;byislocatedlandrightnature;propertystatus,whetherhasdamageorqualityproblem;propertyusingsit

24、uation,rentaloruse;referencearoundsimilarpropertyprice,judgeassessmentvalueofrationality;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,anddemolition,andtransformation,limitsituation.2.tolandrightmortgageof,surveypeopleshouldverifiedfollowinginformation:landrightcardbycontainsMinginfo

25、rmation(rightpeople,andlocation,andnature,andterm,andarea,)andactualcasewhethermatch;landnature;landflatsituation;groundbuildingssituation;referencearoundsimilarlandprice,judgeassessmentvalueofrationality;mortgagerealwhetherhasothermortgagerightornoticeregistrationestablishedprior;whetherexistsprope

26、rtydisputes,andseized,andfreeze,andmortgage,limitsituation.3.otherchattels,ownership,thevalueofthemortgageshouldbeimplemented,andwhetherfactorssuchaseasyhandling.(C)pledgeofcollateralinvestigationprocedures,investigatorsshouldenforcecollateralvalue,conveniencecustodyanddisposition,pledgerightseffect

27、iveidentification,registration,etc.(D)guaranteeinvestigationtoensurethattheprocedures,theinvestigationshall,inaccordancewiththeborrowersstandardstoinvestigatetheguarantorevaluationassurance.15thinformationauditsurveypeopledealwithborrowersandqualificationprovidedbytheguarantor,financialstatus,proofo

28、fidentity,theauthenticityofthedatacarefullyreviewed,verified,rationalityandeffectiveness.Include:(a)theborrowerdataauditing1.corporateclientsshouldfocusonassessingvarioustypesoflicenses,certificates,financialreporting,powersofAttorneyandothertextandarealplearelatedinformation.2.smallbusinessclasscus

29、tomersalsoshouldfocusonthereviewoftheborrowertoprovideevidenceofbusiness,financialpositionandactualcontrolofcredit,property,andmorekavU42VRUs533714?X5米的？1米的448411517、X()=()X1=X()=0.3X()=6834y6v3alos8911+()=-()98、把下列數從小到大排列起來943110.70.641010045判斷。117a12?a的倒數是,()?1噸的和7噸的一樣12重。,()11?兩根同樣長的繩子，第一根用去米，第二根

30、用去，第二根用去的55長。,()?真分數的倒數一定是假分數。,()應用11、甲城到乙城，6小時行了全程的，再行4小時，一共行了全程的幾分之幾,412、合唱隊里有男生21人，比女生少，合唱隊共有多少人,43、0.65與一個最簡分數的和是1，求這個最簡分數,4、一個分數的分子與分母之和是38，它化為小數后是0.9，求原來的分數,andactualcasewhethermatch;byislocatedlandrightnature;propertystatus,whetherhasdamageorqualityproblem;propertyusingsituation,rentaloruse;r

31、eferencearoundsimilarpropertyprice,judgeassessmentvalueofrationality;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,anddemolition,andtransformation,limitsituation.2.tolandrightmortgageof,surveypeopleshouldverifiedfollowinginformation:landrightcardbycontainsMinginformation(rightpeople,

32、andlocation,andnature,andterm,andarea,)andactualcasewhethermatch;landnature;landflatsituation;groundbuildingssituation;referencearoundsimilarlandprice,judgeassessmentvalueofrationality;mortgagerealwhetherhasothermortgagerightornoticeregistrationestablishedprior;whetherexistspropertydisputes,andseize

33、d,andfreeze,andmortgage,limitsituation.3.otherchattels,ownership,thevalueofthemortgageshouldbeimplemented,andwhetherfactorssuchaseasyhandling.(C)pledgeofcollateralinvestigationprocedures,investigatorsshouldenforcecollateralvalue,conveniencecustodyanddisposition,pledgerightseffectiveidentification,re

34、gistration,etc.(D)guaranteeinvestigationtoensurethattheprocedures,theinvestigationshall,inaccordancewiththeborrowersstandardstoinvestigatetheguarantorevaluationassurance.15thinformationauditsurveypeopledealwithborrowersandqualificationprovidedbytheguarantor,financialstatus,proofofidentity,theauthent

35、icityofthedatacarefullyreviewed,verified,rationalityandeffectiveness.Include:(a)theborrowerdataauditing1.corporateclientsshouldfocusonassessingvarioustypesoflicenses,certificates,financialreporting,powersofAttorneyandothertextandarealplearelatedinformation.2.smallbusinessclasscustomersalsoshouldfocu

36、sonthereviewoftheborrowertoprovideevidenceofbusiness,financialpositionandactualcontrolofcredit,property,andmoreM2ub6vSTnP5、一個分數的分子與分母之差是7，它化為小數后是0.9，求原來的分數,andactualcasewhethermatch;byislocatedlandrightnature;propertystatus,whetherhasdamageorqualityproblem;propertyusingsituation,rentaloruse;referenc

37、earoundsimilarpropertyprice,judgeassessmentvalueofrationality;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,anddemolition,andtransformation,limitsituation.2.tolandrightmortgageof,surveypeopleshouldverifiedfollowinginformation:landrightcardbycontainsMinginformation(rightpeople,andlocation,andnature,andterm,andarea,)andactualcasewhethermatch;landnature;land