2022年江西省宜春某中学中考数学全真模拟试题含解析

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2022
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⌕5BCḄ41ᵨABlKᦪ"TKlK.ூ"௃(1)A,BSᜐᨵx,yᔴx+y=450᪷&⚪A<"Ax=270,y=l.A,BSᜐᨵᑖG270,1ᔴ.3(2)ACḄx270=162(ᔴ)2BCḄlxl=72(ᔴ)A,BSᔠ2ᐳC}162+72=234(ᔴ).V234>200,...(C◤5.᪷&⚪NA=26஺AB=1ᓟ£ZACB=90°.ᙠRtAABCsinNBAC=—,AB.BC=AB»sinZBAC=1x0.44=79.2.•¤ᨬ¦4U§4x35=140(ᓟ£)<2x79.2,...¨©⌶«¬®ᐰ¯ᑮBᙢ.ூ\௃5lKḄ
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(3)(0,-)ᡈ(0,0)3324ூ᪆௃1)RASAE_LxTUxTV4E,ᙠRtAAOEX᪷tanZAOCḄY!AE=x.ᑮOE=3x,[ᵫOAḄ]ᑭᵨ_`aᳮᑡcᐵVxḄcḄ.ᑮxḄY,dacAᙶ᪗gAᙶ᪗hᐭ>?jᦪ᪆lcaḄYhᐭmno᪆lckḄYὶq>?jᦪrmnojᦪ᪆lcBḄᙶ᪗(2)ᵫArBU4sᙶ᪗᪷jᦪtudacᡠwlḄxᓽবzᯠPrO7ᔠ}~PDCrAODC;PC±CD,BPZPCD=90,,Bt,^^,Hft^PDCrCDO,ᑭᵨḄ.ᑮ><[ᵫ><.ᑮPCOrCDOᵫ.no᪷OD,OCḄ]cOPḄ]ᓽdacPḄᙶ᪗.ᙠRtAAOEXOA=V]^,tanZAOC=—,!AE=x,ᑣOE=3x,᪷_`aᳮ.OA2=OE2+AE2,ᓽ10=9X2+X2,

19"Ax=lᡈx=T(ËÌ)
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3x2(3)çᯠP஺`ᔠèAPDCS/\ODC
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îy=0,Aᑮx=g33AC(ߟ,0),D(0,-1),ᓽOC=—,OD=1,222P09.2=3ᓽOP=µTT49èPᙶ᪗}(0,—49ò⚪PḄᙶ᪗}(0,µ)ᡈ(0,0).4

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