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1、人教版新目标初中数学学习方法（PEP,newtarget,juniorhighschoolmathematics,learningmethod）Thereisonlyonestraightlineacrosstwopoints2thelinebetweentwopointsistheshortest3thesameangleorisometricequalmargin4withtheangleofthecomplementofequalorconstant5havingonlyonelineandper
2、pendiculartotheknownline6,thelineoutsideapointandthelineonallpointsconnectedbytheline,theverticallinesegmentistheshortest7parallelaxiomsfollowapointoutsidethestraightlineandhaveonlyonelineinparallelwiththeline8ifthetwolinesareparalleltothethirdlines,thet
3、wolinesareparalleltoeachother9correspondinganglesareequal,thetwoparallellines10alternateanglesareequal,thetwoparallellines11complementaryinterioranglesonthesameside,twoparallellines12thetwoparallellines,correspondinganglesareequal13twolineparallel,altern
4、ateanglesareequal14thetwoparallellines,complementaryinterioranglesonthesamesideThesumof15sidesofatriangleisgreaterthanthird16inferthatthedifferencebetweenthesidesofatriangleislessthanthird17triangletrianglesumtheoremthreeanglesandequalto180degrees18infer
5、ence1thetwoacuteanglesofrighttriangleoverlapeachother19acorollaryofatriangleisequaltothe2cornersandtwoanglesitisadjacentand20acorollaryofatrianglewith3cornersthananyoneanditisnotadjacent.Thecorrespondingsidesof21congruenttrianglesandequalangles22edgeaxio
6、ms(SAS)arecongruentwithtwotrianglesofequalanglesonbothsidesandtheirangles23cornercorneraxiom(ASA)hastwotrianglescongruenthornsandtheiredgescorrespondingtotheequal24inference(AAS)hadtwohornsandoneoftheangleonthesidecorrespondingtotheequaltwocongruenttrian
7、gles25sideaxioms(SSS)havingtwoequaltrianglesequaltothreesides26,bevelandrightsideaxioms(HL)havetwosidesofarighttrianglecorrespondingtothesamesideofarightangle27theorem1thedistancebetweenpointsonthebisectorofanangletothesidesofthisangleisequalThepointatwh
8、ichthedistancebetween2and28anglesisthesameasinthebisectorofthisangleThebisectorof29anglesisthesetofallpointsequaltothetwosidesoftheangleTwoand30areequalisoscelestriangletheoremofanisoscelestriangle(i.e.equalequilateralangl
