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1、精心整理2017AMC8考题及答案Problem1Whichofthefollowingvaluesislargest?Problem2Alicia,Brenda,andColbywerethecandidatesinarecentelectionforstudentpresident.Thepiechartbelowshowshowthevotesweredistributedamongthethreecandidates.IfBrendareceived36votes,thenhowmanyvoteswerecastalltogether?P
2、roblem3Whatisthevalueoftheexpression?Problem4When0.000315ismultipliedby7,928,564theproductisclosesttowhichofthefollowing?Problem5Whatisthevalueoftheexpression?Problem6Ifthedegreemeasuresoftheanglesofatriangleareintheratio,whatisthedegreemeasureofthelargestangleofthetriangle?P
3、roblem7Letbea6-digitpositiveinteger,suchas247247,whosefirstthreedigitsarethesameasitslastthreedigitstakeninthesameorder.Whichofthefollowingnumbersmustalsobeafactorof?Problem8MalcolmwantstovisitIsabellaafterschooltodayandknowsthestreetwhereshelivesbutdoesn'tknowherhousenumber.
4、Shetellshim,"Myhousenumberhastwodigits,andexactlythreeofthefollowingfourstatementsaboutitaretrue."(1)Itisprime.(2)Itiseven.(3)Itisdivisibleby7.页脚内容精心整理(4)Oneofitsdigitsis9.ThisinformationallowsMalcolmtodetermineIsabella'shousenumber.Whatisitsunitsdigit?Problem9AllofMarcy'smar
5、blesareblue,red,green,oryellow.Onethirdofhermarblesareblue,onefourthofthemarered,andsixofthemaregreen.WhatisthesmallestnumberofyellowmarblesthatMarcycouldhave?Problem10Aboxcontainsfivecards,numbered1,2,3,4,and5.Threecardsareselectedrandomlywithoutreplacementfromthebox.Whatist
6、heprobabilitythat4isthelargestvalueselected?Problem11Asquare-shapedflooriscoveredwithcongruentsquaretiles.Ifthetotalnumberoftilesthatlieonthetwodiagonalsis37,howmanytilescoverthefloor?Problem12Thesmallestpositiveintegergreaterthan1thatleavesaremainderof1whendividedby4,5,and6l
7、iesbetweenwhichofthefollowingpairsofnumbers?Problem13Peter,Emma,andKylerplayedchesswitheachother.Peterwon4gamesandlost2games.Emmawon3gamesandlost3games.IfKylerlost3games,howmanygamesdidhewin?Problem14ChloeandZoearebothstudentsinMs.Demeanor'smathclass.Lastnighttheyeachsolvedha
8、lfoftheproblemsintheirhomeworkassignmentaloneandthensolvedtheotherha
