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1、实用标准2017AMC8考题及答案Problem1Whichofthefollowingvaluesislargest?Problem2Alicia,Brenda,andColbywerethecandidatesinarecentelectionforstudentpresident.Thepiechartbelowshowshowthevotesweredistributedamongthethreecandidates.IfBrendareceived36votes,thenhowmanyvoteswerecastalltogether?Problem3文档大
2、全实用标准Whatisthevalueoftheexpression?Problem4When0.000315ismultipliedby7,928,564theproductisclosesttowhichofthefollowing?Problem5Whatisthevalueoftheexpression?Problem6Ifthedegreemeasuresoftheanglesofatriangleareintheratio,whatisthedegreemeasureofthelargestangleofthetriangle?文档大全实用标准Probl
3、em7Letbea6-digitpositiveinteger,suchas247247,whosefirstthreedigitsarethesameasitslastthreedigitstakeninthesameorder.Whichofthefollowingnumbersmustalsobeafactorof?Problem8MalcolmwantstovisitIsabellaafterschooltodayandknowsthestreetwhereshelivesbutdoesn'tknowherhousenumber.Shetellshim,"M
4、yhousenumberhastwodigits,andexactlythreeofthefollowingfourstatementsaboutitaretrue."(1)Itisprime.(2)Itiseven.(3)Itisdivisibleby7.(4)Oneofitsdigitsis9.ThisinformationallowsMalcolmtodetermineIsabella'shousenumber.Whatisitsunitsdigit?文档大全实用标准Problem9AllofMarcy'smarblesareblue,red,green,or
5、yellow.Onethirdofhermarblesareblue,onefourthofthemarered,andsixofthemaregreen.WhatisthesmallestnumberofyellowmarblesthatMarcycouldhave?Problem10Aboxcontainsfivecards,numbered1,2,3,4,and5.Threecardsareselectedrandomlywithoutreplacementfromthebox.Whatistheprobabilitythat4isthelargestvalu
6、eselected?Problem11Asquare-shapedflooriscoveredwithcongruentsquaretiles.Ifthetotalnumberoftilesthatlieonthetwodiagonalsis37,howmanytilescoverthefloor?文档大全实用标准Problem12Thesmallestpositiveintegergreaterthan1thatleavesaremainderof1whendividedby4,5,and6liesbetweenwhichofthefollowingpairsof
7、numbers?Problem13Peter,Emma,andKylerplayedchesswitheachother.Peterwon4gamesandlost2games.Emmawon3gamesandlost3games.IfKylerlost3games,howmanygamesdidhewin?Problem14ChloeandZoearebothstudentsinMs.Demeanor'smathclass.Lastnighttheyeachsolvedhalfoftheproblemsintheirhomeworkassignmentalon