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英数第五周周三1.Inasupermarketitemsarealwayspricedatsomanydollarsand99cents.Ifashopperpaysatotalof$41.71,thenthenumberofitemsbought,is2.WhenMichaelandEllierana10kmrace,Elliewonby500mandtook50min.TogiveMichaelachance,thenexttimetheyracedElliestarted500mbehindthestartline.Iftheyranatexactlythesamespeedsasinthefirstrace,thentheresultofthenextracewas3.TonyandMariaaretrainingforaracebyrunningallthewayupanddowna700mlongskislope.Theyeachrunuptheslopeatdifferentconstantspeeds.Comingdowntheslope,eachrunsatdoublehisorheruphillspeed.Mariareachesthetopfirst,andimmediatelystartsrunningbackdown,meetingTony70mfromtop.WhenMariareachesthebottom,howfarbehindisTony?4.Ifx+y=5andx²+y²=111,thevalueofx³+y³is5.Threeplayingcardsareplacedinarow.Theclubistotherightoftheheartandthediamond.The5istotheleftoftheheart.The8istotherightofthe4.Fromlefttoright,thecardsare6.Inherbackyardgarden,Gabriellahas12tomatoplantsinarow.Asshewalksalongtherow,shenoticesthateachplantintherowhasonemoretomatothantheplantbefore.Ifshecounts186tomatoesintotal,howmanytomatoesarethereonthelastplantintherow?7.Inacertainmonth,threeoftheSundayshavedatesthatareevennumbers.Thetenthdayofthismonthisa8.The2000thletterinthesequenceABCDEDCBAABCDEDCBAABCDEDCBAABC…is9.Leta,b,c,anddbeintegerswitha2b,b3c,andc4d.Ifd100,thelargestpossiblevalueforais10.Inthesequenceoffivenumberx,(),3,(),18,eachnumberafterthesecondisobtainedbymultiplyingthetwopreviousnumbers.Thevalueofxis答案：1.292.Ellie领先25米3.3004.7705.方块5,红桃4,1梅花86.217.星期一8.B9.239910.3/2