- 問題詳情:如圖,點D、E分別是△ABC的邊AC、BC上的點,AD=DE,AB=BE,∠A=80°,則∠BED= °.【回答】80°.【解答】解:在△ABD與△EBD中,,∴△ABD≌△EBD,∴∠BED=∠A=80°.故*為80.知識點:三角形全等的判定題型:填空題...
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- 1、Outofthedilemma:themeofNorthangerAbbey2、NorthangerAbbeyisthefirstmaturenovelwrittenbyJaneAusten.3、Hernovels,publishedfrom1811onwards,include"SenseandSensibility","PrideandPrejudice","MansfieldPark","Emma","NorthangerAbbey"and"Persuasi...
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- 經典語錄Themorealternative,themoredifficultthechoice.選擇越多越難抉擇。...
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- 問題詳情:如圖,CD⊥AB,BE⊥AC,垂足分別為點D,點E,BE、CD相交於點O.∠1=∠2,則圖中全等三角形共有( ) A.2對 B.3對 C.4對 D.5對【回答】.C 知識點:三角...
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- 問題詳情:如圖,將□ABCD的邊AB延長至點E,使AB=BE,連接DE,EC,DE交BC於點O.(1)求*:四邊形BECD是平行四邊形;(2)連接BD,若∠BOD=2∠A,求*:四邊形BECD是矩形. ...
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- INTHEsmallworldoftraditionalFrenchCatholicism,everybodyknowsaboutabbeFrancisMichel.TheabbesankuponEdmond'sbed.whileEdmondhimselfremainedstanding.MostvillagersfollowedabbeFrancisashestrodeofftoanotherchurchandcelebratedintheold-fashionedway.Sincethes...
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