2022-2023学年安徽省合肥市中考数学专项突破仿真模拟卷（一模二模）含解析

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2022-2023
ḕᔠὃᦪ⚗ẚᔁஹ⌱⌱⚪ᐳ10⚪⚪4ᑖᐳ40ᑖ1.-2Ḅ
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2²ஹÎÏ⚪(Ñ⚪ᐳ4D⚪Ó⚪5ᑖᐳ20ᑖ)11.ᑖUÔQ2k2+4Õ+2x=12.EÇᦪXஹyØÙ|x-4|+J7/=0,ᑣÛXஹyḄ
8¥>ḄῪḄᕜ>8.13.᝞;,ᙠ஺஺kCDZÞßAB_LCD,ᚖÙ8E,ENC=22.5°,AB=6cm,ᑣ▢åæᑖ☢±8_____.14.ᙠ]礥ABCDkAEᑖNBAD_¥BCE,DF]ᑖèM)C_¥BCF,EAD=\\,EF=5,ᑣAB=_.ஹUê⚪(Ñ⚪ᐳ2D⚪Ó⚪8ᑖᐳ16ᑖ)15.¹|-2|-(1+72)஺+4-gcos30°.16.ᐜᓄîïð
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62022-2023
ḕᔠὃᦪ⚗ẚᔁஹ⌱⌱⚪ᐳ10⚪⚪4ᑖᐳ40ᑖ1.-2ḄÍÜEA.2B.-2C.yD.±2ூÞßàᫀ௃Aூãä௃äL᪷æᦪç?[²ᦪBè<Ḅéêëì²ᦪḄÍḄíî
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73.“//ᡭ1ὶᔠ4567“//ᡭ1”9:;<=>ᜧ@ᓭᓅCDE2017F“//ᡭ1GᡝIJ,KLMᑮ4930000000ᐗᵨQRSᦪ$⊤UVWXA.4.93x108B.4.93xlO9C.4.93^1010D.4.93*10”ூYᫀ௃Bூ[\௃ᵫQRSᦪ$Ḅ⊤U^(VaXlGஹḄ^(ᐸ`1WnV᦮ᦪ.bnḄcd⌕fghᦪiᡂadkᦪlmnopqnḄckᦪlmḄqᦪ.rhᦪc>1dnsᦪrhᦪḄcVIdnstᦪ.uv4930000000=4.93x109.ᦑ⌱B.wxv⚪ὃznQRSᦪ$Ḅ⊤U$.QRSᦪ$Ḅ⊤U^(VaxlO”Ḅ^(ᐸ`10a|<10,nV᦮ᦪ⊤Udᐵ|⌕baḄc}~nḄc.4.᝞ᙠ9Ḽ9kᔠḄ᝞ᡠUᑣᔠூYᫀ௃Bூ[\௃ᵫh^`Ḅqᐵ᣸◀AஹCஹD.ᦑ⌱B."1205.ᨵ(11Ḅᨬk᦮ᦪ\sWX199x<0I2A.1B.2C.3D.4ூYᫀ௃C)8⚓/,59⚓

8ூᑖ᪆௃✌ᐜ\ᨵ(`Ḅᨵ(ᯠbᨵ(Ḅ\b\`Ḅᨬk᦮ᦪᓽ.x-l>0W1Xூ[\௃ᨵ(W1¥kஹl--x<0W2X\ᨵ(W1X
xx>l,\ᨵ(W2X
xxு2,ᡠ}ªᨵ(Ḅ\Vxx>2,ᜧ2Ḅᨬk᦮ᦪs3,x-l>0ᡠ}ᨵ(11Ḅᨬk᦮ᦪ\s3,199x<0I2ᦑ⌱xC.®⚪ὃz¯9ᐗᨵ(Ḅ᦮ᦪ\.°±²³\9ᐗᨵ(Ḅ´®µ¶·¸¹Cᨵ(Ḅឋ»¼E½s\¾v⚪Ḅᐵ|.6.᝞ÀÁÂÃAB஻CD,NGEBḄᑖÃEFÌCDF,Zl=40°,ᑣN2A.130°B.140°C.150°D.160°ூYᫀ௃Dூ[\௃\xVAB//CD,.,.ZGEB=Zl=40o.xEFVNGEBḄᑖÃAZFEB=yZGEB=20".AZ2=180°-NFEB=160°.ᦑ⌱D.)9⚓/,59⚓

97.ᙠÙÚÛÜÝ`ÞFß9à᝕RḄ9ᑖâãᓷåᙶᡂçWᓫq:X᝞ê⊤:ᡂç454647484950ëᦪ124251vÜÝᡂçḄ`qᦪìᦪᑖíVWXA.47,49B.48,49C.47.5,49D.48,50ூYᫀ௃Bூ[\௃Ý⚪\᪆xÜÝḄëᦪs15ëᜐ)8qḄs48,ᡠ}`qᦪs48.49ḄÚᦪïoìᦪs49.ᦑ⌱B.k8.᝞ᡠUð0ACABADñsῪÂóôó^ZAC0=ZADB=90°,õö÷øᦪù=9ᙠxú▲ḄüB,OAÌP,0A2-AB?=18,ᑣPḄᙶ᪗A.9B.6C.3D.372ூᫀ௃Cூ௃⚪᪆#$8ᙶ᪗%6&'•.•)Q4C,AHW-./Ὺ12324'**-OA=y[2AC,AB=42AD.OC=AC,AD=BD,VOA2-AB2=18,510⚓/959⚓

10:.2AC2-2AD2=\S,AC2-AD2=9,.AC+ADAC-AD^9,.(OC+BD)CD^9,.a-h-9,k-9.9;<=>ᦪ⊤AB.#C=D.x1E0ZḄ⊤AB#C=F92y=—(x=37x=-3ὶHIJ#KxL#M'ᡈK.(PQ)._U=3y=-3.vrPḄᙶ᪗.3.ᦑᫀ3.9.᝞U'VW4ABCD.WX1ḄI4'E,FBDᡠᙠ1E[Ḅ\']AE=0,CAF=fD.VW49AFCEḄ☢_D4ூᫀ௃Cூᑖ᪆௃᪷bI4Ḅឋde%AOḄX'ᵨghiᳮe%EOḄX'ᯠlᵫNEAF=135஺o511⚓/959⚓

11NBAD=90஺pqLᑮst324'᪷bst324Ḅឋde%BFḄX'uDDvwᓽpᑨz.ூ௃,•VW4ABCD.I4''AB=CB=CD=AD=1,AC±BD,ZADO=ZABO=45°,5.,.OD=OB=OA=—,ZABF=ZADE=135°,2ᙠRtAAEO{'EO=yjAE2-OA2=-2|.DE=&,ᦑA┯~.VZEAF=135°,ZBAD=90°,|.NBAF+NDAE=45஺'VZADO=ZDAE+ZAED=45°,.♦.NBAF=NAED,.♦.ABFS/XEDA,.AFAB"^E~~DE'AF_1••"=#’AF=@g,ᦑC'2O^=yjAF2-OA2=V2tanZAFO=OA_2_1'ᦑB┯~'~OF~^2~2SWAECF=—ACEF=-xy[2x*2&——,ᦑD┯~'2222ᦑ⌱C.⚪ὃḄ.st324Ḅᑨiឋd'᪷bI4Ḅឋd'ᵨghiᳮe%sEḄX,u᪷bNEAF=135஺,NBAD=90஺'Lᑮst324'ᵨst324Ḅឋde%AFḄX'ᯠ512⚓/959⚓

12l᪷bឋe%VW4Ḅ☢_.10.>ᦪᱏa/+bx+c("0)ḄU᝞U'ᑡV#জ4a+c<0#ঝm(am+b)+b>a(m*-1)|ঞᐵxḄDᐗIJa?+(b-1)x+c=0ᨵᦪ᪷|©ak%bkYa(K+1)2+ᓃ(k2l)(Aᦪ).ᐸ{Ḅᦪ.()+ூᫀ௃Dூ௃জ>ᦪḄ¡.1Ex=-1,ᵫUpL¢£Ḅᙶ᪗ᜧ-3,¦-2,ᡠq——-=-1,pLb=2“'2a¨x=-3©'y<0,ᓽ9a-3b+c<0,9a-6a+cV0,3a+c<0,•QV0,\4a+c<0,ᡠqজ⌱⚗|ঝ;¬ᱥEḄ¡.1E®-1,••y=a-b+cḄ¯'ᓽ°±"7Qm/-1)²ᐭL#y=am2+bm+c

13ᡠq´⌱⚗ᨵ|ঞ*2+(6-[)x+c=O,)=(ft-1)2-4ac,"a<0,c>0,.".ac<0,-4ac>0,V(b-1)2>0,ᐵxḄDᐗIJax1+-1)x+c=Oᨵᦪ᪷|টᵫUL#¨x>-1©'yÂxḄÃᜧÄŦ'•.•¨[ᦪ©'0ÆǨx=k2Ḅ¯ᜧx=k2+\Ḅ>ᦪ¯'ᓽᡂ4+஻2+c>a(Ê+1)2+b(r+1)+c,ak^+bk2>a(k2+1)2+b(A2+l).ᡠq´⌱⚗ᨵ|ᡠqḄᦪ.1'ᦑ⌱D.%ஹ;<⚪(⚪ᐳ4⚪⚪5ᑖᐳ20ᑖ)11.ᑖB2Í2+4Í+2x=ߟூᫀ௃2x(y+l)2ூᑖ᪆௃ÏBÐÑÊB'uᑭᵨÓᐰÕIÊBᑖᓽp.ூ௃ÏB=2x(y2+2y+l)=2x(y+1)2,ᦑᫀ2x(y+1)2´⚪ὃÖÐÊB×ÊB×ḄØᔠᵨ'ÚÛÜÝBᑖḄI×.⚪ḄᐵÞ.12.]ᦪxஹyàá|x-4|+Jji=o,ᑣqxஹyḄ¯WXḄ/Ὺ324ḄᕜX.514⚓/959⚓

14ூᫀ௃20ூᑖ᪆௃ᐜ᪷béêᦪḄឋdᑡBe%xஹyḄ¯'uᑖ4.ῪXëW\ìíîïe#ூ௃᪷b⚪ðL,x-4=0,y-8=0,Lx=4,y=8.জ4.ῪX©'324Ḅ3Wᑖñ4ஹ4ஹ8,•.•4+4=8,.♦.ᨵòóᡂ324'ঝ4.ëW©'324Ḅ3Wᑖñ4ஹ8ஹ8,òóᡂ324'ᕜX=4+8+8=20.ᡠq'324ḄᕜX20.13.᝞U'ᙠ00{'CD.1ô'õABLCD,ᚖáE,]NC=22.5°,AB=6cm,ᑣ▢øùᑖ☢_.9ூᫀ௃--9ூ௃⚪᪆#úû3,OBஹvZC=22.5°,...N4OD=45",515⚓/959⚓

15•/AB1CD,ZAOB=90\:.OE=-AB^3,OA^OB=—AB=3y/2,22•0OACR90FX(3&)21,_9஺•,S▢øDSᡧ4DS&AOB----------------x6x3=Dᐔ—9.360229ᦑᫀᐔ—9.2ᡧḄ☢5=—.36014.ᙠABCD!"AE
ᑖNBAD#BC$E,DFᑖ&M)C#BC$F,*40=11,EF=5,ᑣAB=_.ூ./ᫀ௃8ᡈ3ூᑖ᪆௃᪷54E7஺9:ᔲ<#ᑖ=>?"ᑖ@ABCDḄE"᪷5ḄឋGஹIḄឋGஹJᑖIḄKL7MJCMᓽOPBQ?.ூRS௃SজUZE7஺9<#W"᝞YEᡠ[61'•/_`"40=11,EF=5,"8஺a4஺abb"AD//BC,AB=CD,/DAENBEA,/ADF/CFD,AEᑖN84D,DFᑖN4OC,,,ZDAE-ZBAE,/ADF=NCDF,>/BEA=/BAE,/CFD=/CDF,f16⚓/h59⚓

16:BE=AB,CF=CD,:BEABCD=CF,•6BE+CF=BC+EF,2J6d+5,SPAB-ঝUjE7஺Fkᨵ<#W"᝞YEᡠ[••45CQ"40=11,EF=5,BC=AD=,AD஻BC,AB=CD,,/DAE=/BEA,/ADF=/CFD,•AEᑖN8/O,DFᑖN/QC,b/DAEnNBAE,NADF=ZCDF,/BEA=NBAE,NCFD=/CDF,BE=AB,CFCD,:BE=AB=CD=CF,♦BE+CF+EF=BC,2/8+Saa1"SPAB8mnᡠo48=8ᡈ3,f17⚓/h59⚓

17ᦑ8ᡈ3.p⚪ὃsḄ:ḄឋGஹIḄឋGஹJᑖIḄKL7MῪuJḄឋG"vwḄឋGஹIḄឋGஹJᑖIḄKL7MJCM:Sxp⚪Ḅᐵz.=ஹ>?⚪(⚪ᐳ2⚪⚪8ᑖᐳ16ᑖ)15.{||-2|-(1+72)஺+"-/cos30஺.ூ./ᫀ௃-2ூᑖ᪆௃᪷5ḄឋG"_ḄឋGஹa_᪷ḄឋGஹ┦JuJᦪ"ᓄᓽOS.ூRS(1+72)°+^4-y^cos30°=2-1+2-,32=2-1+2-y,5=—2.16.ᐜᓄ".2x2—3^——x2+—+J—2^x2—xy—2y2j,ᐸ!x=g,y=-1.9ூ./ᫀ௃N+272,.ூᑖ᪆௃ᐜ¡"!¡"ᔠ£¤=⚗"¦ᐭBᓽO.ூ௃2x2-3^——x2+-xy^-^-2y2-2^x2-xy-2y2j=2x2-[-x2+2x)^-2y2]-2x2+2xy+4y2=2x2+x2-2xy-ly2-2x2+2xy+4y2f18⚓/h59⚓

18=x2+2y2,Ux=L,y=-1W"2"_,19©=—n2=—.44ª⚪ὃs«᦮Ḅ®■ᓄ"°±Ḅ²³ᨵ¡´ᑣ"µ±ᔠ£¤=⚗´ᑣ"¶·vw´ᑣ:Sª⚪Ḅᐵz.ஹ(ª⚪ᐳ2⚪"¹⚪8ᑖ"ᐳ16ᑖ)17.º²᝞EAABCu»⚔Ḅᙶ᪗ᑖ@A(0,-3)ஹB(3,-2)ஹC(2,-4),.¿ÀÁ!"¹».¿ḄÂ:I»ᓫÄÂÅ.(1)ABAABCᔣnÇ6»ᓫÄPᑮḄAAiBiCiÉ(2)µCÄÊ"ᙠÀÁ!ABAA?B2c2,ËAAzB2c2ÌAABCÄÊ"ÍAAR2c2ÌAABCḄÄÊÎ21,£ᑏBA2Ḅᙶ᪗.ூRS௃Ð⚪ᑖ᪆(1)ᑭᵨÇḄឋGPBCDÄÓÔÕPBᫀÉ(2)ᑭᵨÄÊEḄឋGPBCDḄÄÓÔÕPB.Ð⚪S᪆:প᝞Eᡠ[ØᔊG,ᓽᡠÉফ᝞Eᡠ[Ø⊈&C2,ᓽᡠÉ⊈ᙶ᪗(-2,-2)f19⚓/h59⚓

1918.ÜḼÞßàáᦈᐭḄkᨵãäå"æçèéᩭéëᙢÔᐭᑮᔜ»îï.ðᜧòóôõSöç÷ø⚪"ùúû{üäý«þ⚔öçÿḄ
.ᢥ,ᚁ⍝ᚁ⌕▲᪗ᔲ!ᐭ.᝞ᙢ☢ᡠᙠḄ()ME,-⚔ᡠᙠḄ()AC123ḄCDḄ5670.5m,;<=>?ᚁ⍝Ḅ▲DFḄABCDᑮ0.1m,sin28°M.47,cos28°s=0.88,tan280~0.53).ூYZ[ᫀ௃ᚁ⍝Ḅ▲DFḄA13.8m.ூ^_௃`⚪ᑖ᪆d✌ᐜ᪷hAC஻ME,jkZCAB=/AE28°,o᪷hpqrᦪt

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43ூᑖ᪆௃;<8}BEDCD0,WEFa4cIJ

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