用比例知识解应用题及答案

在平时的测量工作中，他积极做好传、帮、带工作，热心地把自己学到和掌握好的操作技艺毫无保留地传授给徒弟andactualcasewhethermatch;byislocatedlandrightnature;propertystatus,whetherhasdamageorqualityproblem;propertyusingsituation,rentaloruse;referencearoundsimilarpropertyprice,judgeassessmentvalueofrationality;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,anddemolition,andtransformation,limitsituation.2.tolandrightmortgageof,surveypeopleshouldverifiedfollowinginformation:landrightcardbycontainsMinginformation(rightpeople,andlocation,andnature,andterm,andarea,)andactualcasewhethermatch;landnature;landflatsituation;groundbuildingssituation;referencearoundsimilarlandprice,judgeassessmentvalueofrationality;mortgagerealwhetherhasothermortgagerightornoticeregistrationestablishedprior;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,limitsituation.3.otherchattels,ownership,thevalueofthemortgageshouldbeimplemented,andwhetherfactorssuchaseasyhandling.(C)pledgeofcollateralinvestigationprocedures,investigatorsshouldenforcecollateralvalue,conveniencecustodyanddisposition,pledgerightseffectiveidentification,registration,etc.(D)guaranteeinvestigationtoensurethattheprocedures,theinvestigationshall,inaccordancewiththeborrower'sstandardstoinvestigatetheguarantorevaluationassurance.15thinformationauditsurveypeopledealwithborrowersandqualificationprovidedbytheguarantor,financialstatus,proofofidentity,theauthenticityofthedatacarefullyreviewed,verified,rationalityandeffectiveness.Include:(a)theborrowerdataauditing1.corporateclientsshouldfocusonassessingvarioustypesoflicenses,certificates,financialreporting,powersofAttorneyandothertextandarealplearelatedinformation.2.smallbusinessclasscustomersalsoshouldfocusonthereviewoftheborrowertoprovideevidenceofbusiness,financialpositionandactualcontrolofcredit,property,andmore用比例知识解应用题及答案解答正、反比例应用题的步骤（1）审题，找出题中相关连的量；（2）分析判断题中相关的两个量是正比例关系还是反比例关系；（3）设未知数，列出比例式（4）解比例式（5）检验，写答句例题分析例1在一幅比例尺是1：200000的地图上，量得甲、乙两地相距20厘米。如果再另一幅地图上，甲、乙两地相距10厘米，另一幅地图的比例尺是？【分析解答】题中的“图上距离”和“比例尺”这两种量发生了变化，只有甲乙两地的实际距离不变，可以先求出实际距离，再根据另一幅地图上甲乙两地的距离求出比例尺。20÷1200000=4000000（厘米）104000000=1400000答：另一幅地图的比例尺是1:400000例2在一块长45米、宽20米的长方形菜地里种黄瓜、辣椒、西红柿三种作物，黄瓜、辣椒、西红柿种植面积的比是5:7:8，黄瓜种植面积是多少平方米？【例题分析】本题已知分配的比，但分配的总量没有直接告诉我们。通过已知长方形地的长和宽，可以算出要分配的总量即长方形的面积，把长方形的面积按照5:7:8的比进行分配，其中黄瓜占总面积的55+7+8。长方形地面积：45×20=900（平方米）黄瓜的种植面积是：900×55+7+8=225（平方米）答：黄瓜种植面积是225平方米。例3甲、乙两地相距270千米，客车、货车两车同时分别从两地相向开出，2.5小时相遇。已知客车和货车每小时的速度比是5:4，求客车每小时行多少千米？【例题分析】要求客车每小时行多少千米，要先求出客、货车每小时的速度和，再把速度和按5:4的比进行分配。客车、货车的速度和：270÷2.5=108（千米/时），客车的速度：108×55+4=108×59=60（千米/时）列综合算式：270÷2.5×55+4=270÷2.5×59=60（千米/时）答：客车每小时行60千米。例4某工程队计划修一条长8000米的公路，前5天修了全长的25%，要照这样的进度，修完这条路还需要多少天？【分析解答】题中有“修的天数”和“修的米数占全长的百分之几”这两个相关联的量，他们的关系如下：在平时的测量工作中，他积极做好传、帮、带工作，热心地把自己学到和掌握好的操作技艺毫无保留地传授给徒弟andactualcasewhethermatch;byislocatedlandrightnature;propertystatus,whetherhasdamageorqualityproblem;propertyusingsituation,rentaloruse;referencearoundsimilarpropertyprice,judgeassessmentvalueofrationality;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,anddemolition,andtransformation,limitsituation.2.tolandrightmortgageof,surveypeopleshouldverifiedfollowinginformation:landrightcardbycontainsMinginformation(rightpeople,andlocation,andnature,andterm,andarea,)andactualcasewhethermatch;landnature;landflatsituation;groundbuildingssituation;referencearoundsimilarlandprice,judgeassessmentvalueofrationality;mortgagerealwhetherhasothermortgagerightornoticeregistrationestablishedprior;whetherexistspropertydisputes,andseized,andfreeze,andmortgage,limitsituation.3.otherchattels,ownership,thevalueofthemortgageshouldbeimplemented,andwhetherfactorssuchaseasyhandling.(C)pledgeofcollateralinvestigationprocedures,investigatorsshouldenforcecollateralvalue,conveniencecustodyanddisposition,pledgerightseffectiveidentification,registration,etc.(D)guaranteeinvestigationtoensurethattheprocedures,theinvestigationshall,inaccordancewiththeborrower'sstandardstoinvestigatetheguarantorevaluationassurance.15thinformationauditsurveypeopledealwithborrowersandqualificationprovidedbytheguarantor,financialstatus,proofofidentity,theauthenticityofthedatacarefullyreviewed,verified,rationalityandeffectiveness.Include:(a)theborrowerdataauditing1.corporateclientsshouldfocusonassessingvarioustypesoflicenses,certificates,financialreporting,powersofAttorneyandothertextandarealplearelatedinformation.2.smallbusinessclasscustomersalsoshouldfocusonthereviewoftheborrowertoprovideevidenceofbusiness,financialpositionandactualcontrolofcredit,property,andmore修了全长的百分之几修的天数=平均每天修全长的百分之几（一定）因此可以用正比例的关系来解答，在具体解答时，可以用分率的知识来解答，因此“一条长8000米的公路”这个条件就是多余的了。解：设修完这条路还需要x天25%5=1-25%x25%5=75%x25%x=75%×5x=75%×5÷25%x=15答：修完这条路还需要15天。练练手1.在一幅地图上，用3厘米的线段来表示实际距离600千米。在这幅地图上，量得甲、乙两地的距离是4.5厘米，甲、乙两地的实际距离是多少千米？2.在比例尺1:1000000的地图上，量得甲、乙两城的距离是6厘米，如果改画在比例尺是1:400000的地图上，甲、乙两城应该画多少厘米？3.在比例尺是1:2000000的地图上，量得甲乙两地的距离为3.6厘米，如果汽车以每小时30千米的速度从甲地到乙地，多少小时可以到达？4.篮球场长28米，宽15米。请你用1:500的比例尺画出它的平面图。5.一辆汽车2小时行驶130千米。照这样的速度，从甲地到乙地共行驶5小时。甲、乙两地相距多少千米？在平时的测量工作中，他积极做好传、帮、带工作，热心地把自己学到和掌握好的操作技艺毫无保留地传授给徒弟andactualcasewhetherm