资源描述：
《名师指点代数复习策略(嘉宾北京市数学特级教师丁益祥)文库》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、名师指点代数复习策略(嘉宾北京市数学特级教师丁益祥)文库Ding:manyalgebraicpartsofknowledgepoints,afewyearsfromtheentraneeexaminationtoseeiftheknowledgeinvolvedquitealot.Butthefocusshouldbeconcerned,sofewpoints:thefirstisthefunctionproblemisthekey;thesecondseriesisakeyproblem;third,Delta(function)isthekey;
2、fourth・Inequalityshouldbethefocus・Moderator:onthealgebrapart,youjudge,orpredict,wewillsetthequestionthisyeartrendswillhavewhatkindofdevelopmentandchange?Ding:Ithinkitismainlyfromthreeaspects:oneistoincreasethestudyofalgebraicreasoningproblems,thisisa.Second,itisintherationalthi
3、nkingintermsofincreasedinspectionefforts.Inotherwordstotestsomemultitesttotestisless・"Inadditiontooneaspectistopayattentiontothecultivationofautonomouslearningability・Moderator:youcomebeforeit,wealsointerviewedanumberofcandidatesaresomereviewofthecollegeentranceexamination.They
4、alsoputforwardsomeproblems,suchassomestudentssaid,nowthecollegeentranceexaminationemphasizestheproblemwhendoingfunction,toapproachtheapplicationofthecombination.Thisskillshouldbehowtograsp?Ding:thiscombinationshouldbeoneoftheimportantmathematicalmethod,isakindofmathematicalthou
5、ght・Infactitcanbeputbetweentheknowledgeandtheabilitytorackupabridge・Inotherwords,youmustmaketheknowledgeintoability.I'mafraidyou，11needtohelpyousetupbythismethod.Thefunctionofmathematicalthinkingitisintegratedwithimage・SoIthinkthereisawaytosolvethisproblemiswhat?Youmustconsciou
6、slyextractthemathematicalthoughtsandmethods・Inotherwords,theheartmusthaveamap,seeaLenovofunctionproblem,youcoulddrawitsgraphics,thisisa.Asanexample,in2004acollegeentranceexamination,itisthis:thenationalcollegeentranceexaminationinsuchaproblem,saidXplus2oftheabsolutevalueoftheab
7、solutevalueisgreaterthanorequaltoX,thesolutionofinequalitythatyouconsiderSet?Soinaccordancewiththeconventionalmethod,thatistotakesidessquaretotheabsolutevalueofsymbolorremoved.Usingthezeropartitionapproachtotheabsolutevalueofsymbolsremoved.Inshorttotheabsolutevalueofsymbolisrem
8、oved,andthentobeabletosolvetheproblemofeasy.Butifyoupa
