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关于1.actual的百科

1.actual       A.satisfy            B.nation           ...
先观察:1﹣=×,1﹣=×,1﹣=×,…(1)探究规律填空:1﹣=  ×  ;(2)计算:(1﹣)•(1﹣)•...
  • 先观察:1﹣=×,1﹣=×,1﹣=×,…(1)探究规律填空:1﹣=  ×  ;(2)计算:(1﹣)•(1﹣)•...

  • 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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actual bodily harm造句怎么写
  • actual bodily harm造句怎么写

  • occasionactualbodilyharmHepleadsguiltytoassaultoccasionactualbodilyharm.Hepleadedguiltytocausingactualbodilyharm....
  • 11080
in actual fact造句怎么写
  • in actual fact造句怎么写

  • beingsuchinessenceoreffectthoughnotinactualfact.Somestudentstendtoleadtheirfingersdownthetext,whichinactualfactslowsdowntheirreadingspeed.DionysusisaphilosophicalissueintowhichmodernphilosopherNietzschewasalwaysdevotedtoprobing,butinactualfact,italre...
  • 27617
用所给词的适当形式填空1.     (actual),thereareonly18seatsonthebus....
(22+1)(24+1)(28+1)(216+1)+1=  .
  • (22+1)(24+1)(28+1)(216+1)+1=  .

  • 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...
  • 19166
actual performance造句怎么写
  • actual performance造句怎么写

  • Moreoftenthannottheenergytheyexpendonseemingimpressivemakestheiractualperformanceworse.Courseworkincludesnotonlymusictheory,musichistory,andpedagogy,butactualperformanceexperience.Noneofthesefactorswasareliablepredictoroftheiractualperformanceonthejo...
  • 20608
actual danger造句怎么写
  • actual danger造句怎么写

  • 1、Thefactthatpeopleareafraidtogooutatnightisoftenaresultofperceiveddangerratherthanactualdanger.2、Thestoriesofpeopletrappedonsubwaytrainsallnight,ofhundredsof911callsgoingunansweredforhours,remainedabstract,becausewewereinnoactualdanger....
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.计算(﹣1)1+(﹣1)2+…+(﹣1)2000=  .                          ...
actual sequence造句怎么写
  • actual sequence造句怎么写

  • Nowthatyou'veselectedthebootmethod,it'stimetomovetotheactualsequenceofeventsthatoccursaftertheserverispoweredon.Becauseyouhaveapethittingyou,youhavetoblowavanish->CSinsteadofrestealth,buttheactualsequenceisthesame....
  • 21257
根据(x﹣1)(x+1)=x2﹣1,(x﹣1)(x2+x+1)=x3﹣1,(x﹣1)(x3+x2+x+1)=x...
  • 根据(x﹣1)(x+1)=x2﹣1,(x﹣1)(x2+x+1)=x3﹣1,(x﹣1)(x3+x2+x+1)=x...

  • 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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actual造句怎么写
  • actual造句怎么写

  • statementofactualandestimatedrevenueIcannotgivetheactualfigures.Thesefiguresmayunderstateactualpricedeclines.Must,however,berealisticandbelievableasanactualsolutiontoanactualproblem?Butwhataboutrestoringyouractualsystemrightaway?They'renotrepresenta...
  • 23285
actual distance造句怎么写
  • actual distance造句怎么写

  • Thisisanestimateoftheremainingdistance,nottheactualdistance,whichiswhyit'scalledtheheuristic.Doyourecommendfullspeedtrailsovertheactualdistanceoftherace?Consideringtheunpleasantweatherconditions,Zhangmadesomedetoursinthevoyagethatextendedhisactualdi...
  • 6545
actual state造句怎么写
  • actual state造句怎么写

  • theactualstateofaffairshasbeenmadeclearThatsaid,Americans'perceptionsoftheactualstateoftheeconomyhavenotchangedmuch.ResearchonactualstateofBeijinghighereducationinconsumptionabroad;AnalysisoftheactualstateoffemalereproductivetractinfectioninBeijingT...
  • 17623
actual inventory造句怎么写
 (+1)(-1)-+()-1;
  •  (+1)(-1)-+()-1;

  • 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...
  • 5104
actual working hours造句怎么写
  • actual working hours造句怎么写

  • 1、Obviously,thedifferenceinlaborcostsisduetothefactthattheactualworkinghoursarenotequaltothestandardworkinghours,andtheactualwagerateisnotequaltothestandardwagerate.2、TheactualworkinghoursandovertimehoursoftheSeller'stechnicalpersonnelshallberecor...
  • 23360
actual situation造句怎么写
  • actual situation造句怎么写

  • Thisparticularhalfsinepulseisonlyaveryapproximatemodelfortheactualsituation.AccordingtotheanalysisoftheactualsituationinQingdao,itswaterdemandquotaisdetermined.Thecalculationresultsofscourdepthandstabilizationofriprapareconsistentwiththeactualsituati...
  • 5356
计算:(1-)(1-)(1-)……(1-)(1-).
  • 计算:(1-)(1-)(1-)……(1-)(1-).

  • 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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 Wildriceisnot  61  (actual)amemberofthericefamily,alth...
  •  Wildriceisnot  61  (actual)amemberofthericefamily,alth...

  • 问题详情: Wildriceisnot  61  (actual)amemberofthericefamily,althoughitisagrain-producinggrass.NativetoNorthAmerica,thisgraincan  62   (find)growingwildinthepondsandlakesofWisconsin,aswellasinneighboringstates.Likerice,wildricegrowsinwater,bu...
  • 32352
 (x-1)-(1-x)+(x+1)=3x-1.(­)­
  •  (x-1)-(1-x)+(x+1)=3x-1.(­)­

  • 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...
  • 32947
actual output造句怎么写
  • actual output造句怎么写

  • Potentialoutputisgrowingevenasactualoutputandemploymentstutter.Whenactualoutputexceedspotential,demandforproductsandlabourbidsuppricesandwages,fuellinginflation.Theactualoutputforceofoutputweightistheresultantofcentrifugalforceformedbyoutputweightand...
  • 31757
.阅读材料,回答问题.(1+)×(1-)=×=1;(1+)×(1+)×(1-)×(1-)=×××=(×)×(×...
观察下列各式:(x﹣1)÷(x﹣1)=1(x2﹣1)÷(x﹣1)=x+1;(x3﹣1)÷(x﹣1)=x2+x+...
  • 观察下列各式:(x﹣1)÷(x﹣1)=1(x2﹣1)÷(x﹣1)=x+1;(x3﹣1)÷(x﹣1)=x2+x+...

  • 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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计算:(1﹣)×(1﹣)×(1﹣)×(1﹣)×…×(1﹣)×(1﹣)