2011年数学高分大谋略-技巧讲义（2011 mathematics high score strategy - skills handouts）

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1、2011年数学高分大谋略-技巧讲义（2011mathematicshighscorestrategy-skillshandouts）Ifthescopeislargeenough,thesmallrangeneednotbedone,andtheDisselecteddirectly,iftherangeisrelativelylargeLargeenough,smallrange100%established.Forexample:letm,nbepositiveintegers,thenthearithmeticmeanofMandNis18.(1

2、)11110mnAndthearithmeticmeanis(2)mn.Principle5:whenthetwoconditionisequivalent,D.mustbechosenExample:(03-1)acompanyreceivedaloanof680thousandyuanfortheequipmenttransformationofthethreeaffiliatedfactoriesThethreefactorieswere360thousandyuan,240thousandyuanand80thousandyuanaccordi

3、ngtotheproportionofthefruit,BandC.(1)a,B,Cthreefactories:accordingto:theproportionofloansTwenty-oneThirty-oneNinety-one(2)thedistributionofloansinthreefactoriesofa,BandCaccordingtotheproportionof9:6:2Principle6:whenthetwoconditionsareoppositenumbers(onlyonesymbol),thepossibility

4、ofselectingDishigherthanthatofchoosingAB.Example:(08-10)thegraphoftheequationistwostraightlines.()2261040xmxyyy...(1)(2)7m.7m..1113.3222xxxxxxaax.........Forexample,(09-10)ontheequationandhavethesameroot.(1)a=2(2)a=-2Thesecondpart,MBAexamsolutionmethodsandskillssummaryAnd"onemin

5、utesolution""Commonlyusedproblem-solvingskillsare:specialvaluemethod,qualitativeanalysismethod,numericalcombinationmethod,crossmethod,graphic(Wei)Entu),chart(multielement)method,aunifiedproportionmethod,empiricalformulamethod,montchaimethod.Techniqueone,specialvaluemethodApplica

6、tionskills:whenyouencountertheselectionofvariable(parameter)range,thepriorityofsubstitutingspecificvaluesisasfollows:X=0,1,-1,boundaryvalue,othernumericalvalueswithresolution,quickeliminationofwronganswersorstraightlinesGettherightanswer.Note:(1)thespecialvaluemethodcanonly"fals

7、ification",cannot"provetrue"".(2)theweaknessofthespecialvalueisthattheaboveconclusionsarenotcorrect(theprobabilityofselectionissmall)Case1.(08-10)issetasaninteger,andthen...=()Abc2041

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17、abacbc...A.B.C.D.E.2343.2.Example2,if,thenthevalueis()A,0B,-1C,1D,2Eandabovear

18、enotcorrectVariant:known,thenthevalueis().33333