- 问题详情:1.actual A.satisfy B.nation C.native D.patient2.official A.office B.precious C.article D.s...
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- 问题详情:先观察:1﹣=×,1﹣=×,1﹣=×,…(1)探究规律填空:1﹣=×;(2)计算:(1﹣)•(1﹣)•(1﹣)…(1﹣)【回答】【考点】有理数的混合运算.【分析】(1)利用平方差公式变形即可得到结果;(2)原式利用平方差公式化简,计算即可得到结果.【解答】解:(1)原式=×;(2)原式=(1﹣)(1+)(1﹣)(1+)…(1﹣)(1+)=××××…××=,故*为:(1);知识点:有理数的乘方题型:...
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- occasionactualbodilyharmHepleadsguiltytoassaultoccasionactualbodilyharm.Hepleadedguiltytocausingactualbodilyharm....
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- beingsuchinessenceoreffectthoughnotinactualfact.Somestudentstendtoleadtheirfingersdownthetext,whichinactualfactslowsdowntheirreadingspeed.DionysusisaphilosophicalissueintowhichmodernphilosopherNietzschewasalwaysdevotedtoprobing,butinactualfact,italre...
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- 问题详情:用所给词的适当形式填空1.(actual),thereareonly18seatsonthebus.2.Houstonisa(south)cityoftheUnitedStates.3.Ifyouworkhard,youcanenjoy(successful)someday.4.WhileTom(play)computergames,heheardastrangenoise.5.Haveyouever(be)toBeijing?【回答】 1.Act...
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- 问题详情:(22+1)(24+1)(28+1)(216+1)+1=.【回答】232.【考点】平方差公式.【专题】计算题.【分析】原式乘以(2﹣1)后,利用平方差公式依次计算,合并即可得到结果.【解答】解:原式=(2﹣1)(2+1)(22+1)(24+1)(28+1)(216+1)+1=(22﹣1)(22+1)(24+1)(28+1)(216+1)+1=(24﹣1)(24+1)(28+1)(216+1)+1=(28﹣1)(28+1)(216+1)+1=(216﹣1)(216+1)+1=232﹣1+1=232.故...
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- Moreoftenthannottheenergytheyexpendonseemingimpressivemakestheiractualperformanceworse.Courseworkincludesnotonlymusictheory,musichistory,andpedagogy,butactualperformanceexperience.Noneofthesefactorswasareliablepredictoroftheiractualperformanceonthejo...
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- 1、Thefactthatpeopleareafraidtogooutatnightisoftenaresultofperceiveddangerratherthanactualdanger.2、Thestoriesofpeopletrappedonsubwaytrainsallnight,ofhundredsof911callsgoingunansweredforhours,remainedabstract,becausewewereinnoactualdanger....
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- 问题详情:.计算(﹣1)1+(﹣1)2+…+(﹣1)2000=. ...
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- Nowthatyou'veselectedthebootmethod,it'stimetomovetotheactualsequenceofeventsthatoccursaftertheserverispoweredon.Becauseyouhaveapethittingyou,youhavetoblowavanish->CSinsteadofrestealth,buttheactualsequenceisthesame....
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- 问题详情:根据(x﹣1)(x+1)=x2﹣1,(x﹣1)(x2+x+1)=x3﹣1,(x﹣1)(x3+x2+x+1)=x4﹣1,…的规律,则可以得出22017+22016+22015+…+23+22+2+1的结果可以表示为 .【回答】22018﹣1.【解答】解:22017+22016+22015+…+23+22+2+1=(2﹣1)(22017+22016+22015+…+23+22+2+1)=22018﹣1.知识点:乘法公式题型:填空题...
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- statementofactualandestimatedrevenueIcannotgivetheactualfigures.Thesefiguresmayunderstateactualpricedeclines.Must,however,berealisticandbelievableasanactualsolutiontoanactualproblem?Butwhataboutrestoringyouractualsystemrightaway?They'renotrepresenta...
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- Thisisanestimateoftheremainingdistance,nottheactualdistance,whichiswhyit'scalledtheheuristic.Doyourecommendfullspeedtrailsovertheactualdistanceoftherace?Consideringtheunpleasantweatherconditions,Zhangmadesomedetoursinthevoyagethatextendedhisactualdi...
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- theactualstateofaffairshasbeenmadeclearThatsaid,Americans'perceptionsoftheactualstateoftheeconomyhavenotchangedmuch.ResearchonactualstateofBeijinghighereducationinconsumptionabroad;AnalysisoftheactualstateoffemalereproductivetractinfectioninBeijingT...
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- adjustactualinventory...
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- 问题详情: (+1)(-1)-+()-1;【回答】解:原式=3-1-4+2=0.知识点:二次根式的乘除题型:计算题...
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- 1、Obviously,thedifferenceinlaborcostsisduetothefactthattheactualworkinghoursarenotequaltothestandardworkinghours,andtheactualwagerateisnotequaltothestandardwagerate.2、TheactualworkinghoursandovertimehoursoftheSeller'stechnicalpersonnelshallberecor...
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- Thisparticularhalfsinepulseisonlyaveryapproximatemodelfortheactualsituation.AccordingtotheanalysisoftheactualsituationinQingdao,itswaterdemandquotaisdetermined.Thecalculationresultsofscourdepthandstabilizationofriprapareconsistentwiththeactualsituati...
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- 问题详情:计算:(1-)(1-)(1-)……(1-)(1-).【回答】原式=(1-)(1+)(1-)(1+)(1-)(1+)……(1-)(1+)(1-)(1+)=×××……××=×=.知识点:乘法公式题型:计算题...
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- 问题详情: Wildriceisnot 61 (actual)amemberofthericefamily,althoughitisagrain-producinggrass.NativetoNorthAmerica,thisgraincan 62 (find)growingwildinthepondsandlakesofWisconsin,aswellasinneighboringstates.Likerice,wildricegrowsinwater,bu...
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- 问题详情: (x-1)-(1-x)+(x+1)=3x-1.()【回答】∨知识点:整式的加减题型:填空题...
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- Potentialoutputisgrowingevenasactualoutputandemploymentstutter.Whenactualoutputexceedspotential,demandforproductsandlabourbidsuppricesandwages,fuellinginflation.Theactualoutputforceofoutputweightistheresultantofcentrifugalforceformedbyoutputweightand...
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- 问题详情:.阅读材料,回答问题.(1+)×(1-)=×=1;(1+)×(1+)×(1-)×(1-)=×××=(×)×(×)=1×1=1.根据以上信息,计算:(1+)×(1+)×(1+)×…×(1+)×(1-)×(1-)×(1-)×…×(1-).【回答】解:(1+)×(1+)×(1+)×…×(1+)×(1-)×(1-)×(1-)×…×(1-)=×××…×××××…×=(×)×(×)×(×)×…×(×)=1.知识点:...
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- 问题详情:观察下列各式:(x﹣1)÷(x﹣1)=1(x2﹣1)÷(x﹣1)=x+1;(x3﹣1)÷(x﹣1)=x2+x+1(x4﹣1)÷(x﹣1)=x3+x2+x+1(1)根据上面各式的规律可得(xn+1﹣1)÷(x﹣1)= ;(2)求22019+22018+22017+……+2+1的值.【回答】解:(1)根据上面各式的规律,可得:(xn+1﹣1)÷(x﹣1)=xn+xn﹣1+…+x+1. (2)∵(xn+1﹣1)÷(x﹣1)=xn+xn﹣1+…+x+1,∴22019+22018+22017+……+2+1=(22020...
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- 问题详情:计算:(1﹣)×(1﹣)×(1﹣)×(1﹣)×…×(1﹣)×(1﹣)【回答】解:原式=××××…××=.知识点:有理数的乘除法题型:解答题...
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