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發表於:2020-05-05
問題詳情:在△ABC中,∠BAC=90°,AB=3,AC=4.AD平分∠BAC交BC於D,則BD的長為()【回答】A 知識點:勾股定理題型:選擇題...
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發表於:2022-04-11
問題詳情:如下圖,CD⊥AD,CB⊥AB,AB=AD,求*:CD=CB.【回答】*:連結AC,CD⊥AD,CB⊥AB∴在Rt△ADC和Rt△ABC中∴Rt△ADC≌△Rt△ABC(HL)∴CD=CB.(本題也可用勾股定理直接*)知識點:三角形全等的判定題型...
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發表於:2016-11-09
Thisarticleexaminesmainreasonstoleadtotheexcessinengineeringestimationduringengineeringconstruction,putsforwardswaytoreasonablyadjustengineeringestimationfromseveralaspec...
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發表於:2017-06-23
PresidentTheodoreRooseveltofficiallyadoptedthetermin1902.aunitofmeasurementofcapacityforliquidsofficiallyadoptedintheUnitedStatesCustomarySystem.November2,1868,timezone:N...
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發表於:2018-11-18
AdvaloremdutyoradvaloremtaxadvalorempropertytaxoilandgasproductionequipmentadvaloremtaxAcompoundtariffisacombinationofaspecificandanadvaloremtariff.Compounddutiesareacomb...
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發表於:2019-07-30
問題詳情:如圖,AD⊥AE,AB⊥AC,AD=AE,AB=AC.求*:△ABD≌△ACE. 【回答】*:∵AD⊥AE,AB⊥AC,∴∠CA...
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發表於:2018-04-24
Thisusuallyhappenstopeoplewhowereveryspirituallyadvancedintheirpreviouslives.ThispartofmewantstoprovethatI'mgoodatmeditating,thatI'mspirituallyadvanced,thatI'vereached...
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發表於:2018-03-19
Amomentlatertheouterdooropened,brieflyadmittingsunlight,thenYvettewasgone.ThewindownarrativeoftheshallowlotusgreenupusesilkthreadtobrieflyadorntojoinDilotuspattern....
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發表於:2018-03-26
CowansaysshehopesoneofthosedonorswillanswerherInternetad.First,thesystemmustbeabletoreade-mailmessagesandautomaticallyextractandindexinformationsuchaspropernames,Internet...
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發表於:2019-11-21
問題詳情:Ad.1SpecialhouseinGlebe(S160everymonth)Replyto:Dateavailable:December9LookingforagirlstudentroommatetoshareawellsituatedhouseinGlebefornotlessthanonemonth.2minute...
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發表於:2018-02-07
WeseektoappropriatelyaddresstheseproblemstogetherwiththeUSthroughequalconsultationinaconstructivemanner.Withthedevelopmentofthenaturalgasindustry,theChinesegovernmentwill...
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發表於:2019-09-25
問題詳情:如圖,AB=AC=AD,若AD∥BC,∠C=78°,∠D= .【回答】39°.【解答】解:∵AB=AC=AD,∴∠C=∠ABC,∠D=∠ABD,∴∠ABC=∠CBD+∠D,∵AD∥BC,∴∠CBD=∠D,∴∠ABC=∠D+∠D=2∠D,又∵∠C=∠ABC,∴∠C...
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發表於:2018-01-25
Alright,solet'snowstartdoingmoreinterestingthingshellothanjustsayinghelloadnauseamtoourselves.Theprimeminister’sfavouritepronouncement,whichhelikestorepeatadnauseam,ist...
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發表於:2021-10-07
問題詳情:如圖,AC⊥BC,AD⊥BD,AD=BC,AD,BC交於O.求*:OC=OD.【回答】知識點:三角形全等的判定題型:解答題...
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發表於:2021-10-19
問題詳情:Asicklittlegirlisbeingkeptalivethankstoherbestfriend—adogwhocarriesheroxygentankonhisback.Alida’sfaithfuldogcompanionMrGibbshasbeenspeciallytrainedtoshepherdthe...
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發表於:2020-08-13
問題詳情:.如圖,在△ABC中,AD是中線,求*:AD<(AB+AC).【回答】*:延長AD到點E,使DE=AD,連線BE,∴AE=2AD.∵AD是中線,∴BD=CD.在△ACD和△EBD中,∴△ADC≌△EDB(SAS),∴AC=BE.在△ABE中,∵...
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發表於:2017-07-29
That'saninterestingad.aclassifiedad[advertisement]AnadvertisercancreateanAD.So,searchisonlyonepartoftheadmarket.Thoseadduptoaround25minutesofADtime.Anad-servingplatformt...
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發表於:2019-04-17
問題詳情:四稜錐P—ABCD中,底面ABCD為直角梯形,BC//AD,AD⊥DC,BC=CD=l,AD=2,PA=PD,E為PC的中點,F為AD的中點,平面PAD⊥底面ABCD.⑴*:平面BEF⊥平而PAD;⑵若PC與底面ABCD所成的角為,求二...
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發表於:2018-03-15
haveanaxetogrind:havepersonaladvantagestogainPortraitphotographyisapersonaladvantagesofamplification.Usetheinsideinformationforpersonaladvantageorthepersonaladvantageofot...
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發表於:2018-11-30
Herlocaladmirersbeatapathtoherdoor.Bylaunchinglocal-languagewebsites,teamscantailormarketingtofitanindividualcountry,drumminguplocaladvertisingandsponsorshiprevenue.Wemus...
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發表於:2017-04-30
Forexample,theyearAD2000isequaltotheyear2543BE.DevelopAutoCAD2000withVB;ShowingFEMStresswithAutoCAD2000VBA...
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發表於:2019-02-18
問題詳情:如圖,已知AB∥DC,AD∥BC.*:(1)AB=CD;(2)AD=BC.【回答】.略知識點:三角形全等的判定題型:解答題...
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發表於:2019-02-06
問題詳情:AD【回答】如圖8所示,光滑固定導軌M、N水平放置,兩根導體棒P、Q平行放於導軌上,形成一個閉合迴路,當一條形磁鐵從高處下落接近迴路時()A.P、Q將相互靠攏 B.P、Q將相互遠...
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發表於:2017-09-18
aclassifiedad[advertisement]Sitestodayoffermuchmorethanthetypicalprofilepictureanddescriptioninaclassifiedadlisting.Thesite'sclassifiedadsectionreadslikeabillionaire'sy...
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發表於:2021-09-01
問題詳情: Ad-makerschoosewordsandbrandnamesverycarefullyinordertomakeacreativeimageoftheproducttheyare_________. A.processing B.producing ...