内容简介
Stimulatingcollectionofover300unusualproblemsinvolvingequationsandinequalities,Diophantineequations,numbertheory,quadraticequations,logarithmsandmore.Problemsrangefromeasytodifficult.Detailedsolutions,aswellasbriefanswers,forallproblemsareprovided.
作者简介
AlPosamentieriscurrentlyDeanoftheSchoolofEducationandProfessorofMathematicsEducationatMercyCollege,NewYork.HeisProfessorEmeritusofMathematicsEducationatTheCityCollegeoftheCityUniversityofNewYork,andformerDeanoftheSchoolofEducation,wherehewasfor40years.Heistheauthorandco-authorofmorethan55mathematicsbooksforteachers,secondaryandelementaryschoolstudents,andthegeneralreadership.Dr.Posamentierisalsoafrequentcommentatorinnewspapersandjournalsontopicsrelatingtoeducation.AlfredS.Posamentier:Math'sChampionDr.AlfredS.Posamentier,ProfessorEmeritusofMathematicsEducationatNewYork'sCityCollegeand,from1999to2009,theDeanofCityCollege'sSchoolofEducation,haslongbeenatirelessadvocatefortheimportanceofmathematicsineducation.Heistheauthororco-authorofmorethan40mathematicsbooksforteachers,students,andgeneralreadersincludingTheFascinatingFibonacciNumbers(Prometheus,2007)andMathematicalAmazementsandSurprises:FascinatingFiguresandNoteworthyNumbers(Prometheus,2009).HisincisiveviewsonaspectsofmathematicseducationmayoftenbeencounteredintheLetterscolumnsandontheop-edpagesofTheNewYorkTimesandothernewspapersandperiodicals.ForDoverheprovided,withco-authorCharlesT.Salkind,somethingveryeducationalandalsofun,twolong-livedbooksofproblems:ChallengingProblemsinGeometryandChallengingProblemsinAlgebra,bothontheDoverlistsince1996.Whysolveproblems?Here'sanexcerptfromaletterDr.PosamentiersenttoTheNewYorkTimesfollowinganarticleaboutMartinGardner'scareerin2009:"Teachersshouldn'tthinkthattextbookexercisesprovideproblem-solvingexperiences—that'sjustdrill.GenuineproblemsolvingiswhatMr.Gardnerhasbeenespousing.Genuineproblemsolvingprovidesastrongercommandofmathematicsandexhibitsitspowerandbeauty.Somethingsorelylackinginoursociety.",,,
