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1.Quote…Unquote“Tostudyandnotthinkisawaste.Tothinkandno...
  • 1.Quote…Unquote“Tostudyandnotthinkisawaste.Tothinkandno...

  • 問題詳情:1.Quote…Unquote“Tostudyandnotthinkisawaste.Tothinkandnotstudyisdangerous.”  ----Confucius,Chineseeducatorandthinker___________________________________________________________________________2.EverythingwasaboveandbeyondwhatIhadexpectedhere...
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如圖表示果蠅(2N=8)體內細胞在*過程中某比值H(H=染*體數/核DNA含量)QUOTE的變化曲線,F時細...
觀察下列各式:(x﹣1)÷(x﹣1)=1(x2﹣1)÷(x﹣1)=x+1;(x3﹣1)÷(x﹣1)=x2+x+...
  • 觀察下列各式:(x﹣1)÷(x﹣1)=1(x2﹣1)÷(x﹣1)=x+1;(x3﹣1)÷(x﹣1)=x2+x+...

  • 問題詳情:觀察下列各式:(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)根據上面各式的規律可得(xn+1﹣1)÷(x﹣1)=  ;(2)求22019+22018+22017+……+2+1的值.【回答】解:(1)根據上面各式的規律,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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scare quote造句怎麼寫
  • scare quote造句怎麼寫

  • Iprefer"career,"withscarequotes,althoughonemightalsocallitapart-timejobwithopportunitiesforadvancement.Containsawordorphraseforwhichtheauthorornarratorindicatesadisclaimingofresponsibility,forexamplebytheuseofscarequotesoritalics.Youmighthavenotice...
  • 11256
先觀察:1﹣=×,1﹣=×,1﹣=×,…(1)探究規律填空:1﹣=  ×  ;(2)計算:(1﹣)•(1﹣)•...
  • 先觀察:1﹣=×,1﹣=×,1﹣=×,…(1)探究規律填空:1﹣=  ×  ;(2)計算:(1﹣)•(1﹣)•...

  • 問題詳情:先觀察:1﹣=×,1﹣=×,1﹣=×,…(1)探究規律填空:1﹣=×;(2)計算:(1﹣)•(1﹣)•(1﹣)…(1﹣)【回答】【考點】有理數的混合運算.【分析】(1)利用平方差公式變形即可得到結果;(2)原式利用平方差公式化簡,計算即可得到結果.【解答】解:(1)原式=×;(2)原式=(1﹣)(1+)(1﹣)(1+)…(1﹣)(1+)=××××…××=,故*為:(1);知識點:有理數的乘方題型:...
  • 16758
(22+1)(24+1)(28+1)(216+1)+1=  .
  • (22+1)(24+1)(28+1)(216+1)+1=  .

  • 問題詳情:(22+1)(24+1)(28+1)(216+1)+1=.【回答】232.【考點】平方差公式.【專題】計算題.【分析】原式乘以(2﹣1)後,利用平方差公式依次計算,合併即可得到結果.【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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quote for造句怎麼寫
  • quote for造句怎麼寫

  • Wehaveaskforquoteforrefitthebar.Wehaveaskedforquoteforrefittingthebar.Theirquoteforthejobwaswaytoohigh.Howmuchdoyouquoteforthisbrandoftie?Forexample,apricequotefor10,000ThinkPadlaptopsmayonlybevalidfor10daysafterthequotewasreceived.Atwhatlowestpricec...
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quote on造句怎麼寫
  • quote on造句怎麼寫

  • AsalesmanfromMotorolaorDelcomightstopby,withaquoteonresistors.WeregretbeingunabletoquoteonFOBbasis,asitisourgeneralpracticetodobusinesswithallourclientsonCIFterms....
  • 7014
single quote造句怎麼寫
  • single quote造句怎麼寫

  • Tocreateanactualapostrophe,puttwosinglequotemarksside-by-side(")toproduceonequotemarkinyouroutput."Inordertoenterasinglequoteintoatextliteralsurroundedbysinglequotes,oradoublequoteintoaliteralsurroundedbydoublequotes,prefixitwithabackslashcharacter...
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計算:(1-)(1-)(1-)……(1-)(1-).
  • 計算:(1-)(1-)(1-)……(1-)(1-).

  • 問題詳情:計算:(1-)(1-)(1-)……(1-)(1-).【回答】原式=(1-)(1+)(1-)(1+)(1-)(1+)……(1-)(1+)(1-)(1+)=×××……××=×=.知識點:乘法公式題型:計算題...
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quote rate造句怎麼寫
  • quote rate造句怎麼寫

  • Sincereprintrateindicatesthefameandthenumberofreadersofthescientificpapersprintedintheperiodicalsandquoterateindicatestheacademicinfluenceofthem.InsuranceBrokerswillquoteratesforalltypesofcargoandrisks....
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quote造句怎麼寫
  • quote造句怎麼寫

  • Letmejustquotehim.Youmayquotemeonthat.That'sokay.Givethemaquote.TheyquoteTheDailyStar,whoquoteanunnamedScandinaviansourceapparentlyclosetoEriksen.Concludewithaquoteorcalltoaction.Iftherearenosubstitutionparameters,enteronlyonequote.Wehaveaskforquote...
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.閲讀材料,回答問題.(1+)×(1-)=×=1;(1+)×(1+)×(1-)×(1-)=×××=(×)×(×...
quote price造句怎麼寫
  • quote price造句怎麼寫

  • ExceptasauthorizedbytheCompany,theDistributorshallnotquotepricetoanycustomersoutsidetheterritory.Wewanttobuyamanganeseoxidewith62%PLSsendusyourspecandyourquotepriceFOB.Whenweinvoicecustomers,weusuallyquotepricesf.o.b.Guangzhou.Pleasenotethatwearelook...
  • 10433
若(x-1)0=1則  (  ) A.x≥1          B.x≤1         C.x≠1    ...
根據(x﹣1)(x+1)=x2﹣1,(x﹣1)(x2+x+1)=x3﹣1,(x﹣1)(x3+x2+x+1)=x...
  • 根據(x﹣1)(x+1)=x2﹣1,(x﹣1)(x2+x+1)=x3﹣1,(x﹣1)(x3+x2+x+1)=x...

  • 問題詳情:根據(x﹣1)(x+1)=x2﹣1,(x﹣1)(x2+x+1)=x3﹣1,(x﹣1)(x3+x2+x+1)=x4﹣1,…的規律,則可以得出22017+22016+22015+…+23+22+2+1的結果可以表示為  .【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.知識點:乘法公式題型:填空題...
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.計算(﹣1)1+(﹣1)2+…+(﹣1)2000=  .                          ...
 (+1)(-1)-+()-1;
  •  (+1)(-1)-+()-1;

  • 問題詳情: (+1)(-1)-+()-1;【回答】解:原式=3-1-4+2=0.知識點:二次根式的乘除題型:計算題...
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 (x-1)-(1-x)+(x+1)=3x-1.(­)­
  •  (x-1)-(1-x)+(x+1)=3x-1.(­)­

  • 問題詳情: (x-1)-(1-x)+(x+1)=3x-1.(­)­【回答】∨知識點:整式的加減題型:填空題...
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(﹣1)+(+1)+(﹣2)﹣(﹣3)﹣(+1).
quote mark造句怎麼寫
  • quote mark造句怎麼寫

  • 1、Tocreateanactualapostrophe,puttwosinglequotemarksside-by-side(")toproduceonequotemarkinyouroutput."2、Sometimesallittakesisafresh,restedpairofeyestospotamissingsemi-colon,oranextraquotemark,ortorealizethatthesolutionismuchsimplerthanyouoriginall...
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觀察下列各式(x-1)(x+1)=x2-1(x-1)(x2+x+1)=x3-1(x-1)(x3+x2+x+1)...
  • 觀察下列各式(x-1)(x+1)=x2-1(x-1)(x2+x+1)=x3-1(x-1)(x3+x2+x+1)...

  • 問題詳情:觀察下列各式(x-1)(x+1)=x2-1(x-1)(x2+x+1)=x3-1(x-1)(x3+x2+x+1)=x4-1…①根據以上規律,則(x-1)(x6+x5+x4+x3+x2+x+1)=______.②你能否由此歸納出一般*規律:(x-1)(xn+xn-1+…+x+1)=______.③根據②求出:1+2+22+…+234+235的結果.【回答】(1)x7-1;(2)xn+1-1;(3)236-1.【解析】①觀察已知各式,得到一...
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計算:(1﹣)×(1﹣)×(1﹣)×(1﹣)×…×(1﹣)×(1﹣)
計算: +()﹣1﹣(+1)(﹣1)
  • 計算: +()﹣1﹣(+1)(﹣1)

  • 問題詳情:計算: +()﹣1﹣(+1)(﹣1)【回答】【考點】二次根式的混合運算;負整數指數冪.【專題】計算題.【分析】原式第一項化為最簡二次根式,第二項利用負指數公式化簡,第三項利用平方差公式化簡,合併後即可得到結果.【解答】解: +()﹣1﹣(+1)(﹣1)=2+4﹣(5﹣1)=2+4﹣4=2.【點評】此題考查了二次根式的混合運算,涉及...
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quote from造句怎麼寫
  • quote from造句怎麼寫

  • ToquotefromclassicscanonsThisisaquotefromtheBible.Letmequotefromoneofyourdocuments.Ineedaquotefromeachofyouforthenewspaperarticle.There'sawonderfulquotefromJohnWatsonandinthisquotejohnWatsonisparaphrasingafamousboastbytheJesuits.AnotherquotefromOsho...
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