2022-2023学年广东省佛山市中考数学专项提升仿真模拟试题（一模二模）含解析

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2022-2023
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72022-2023
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18A—2kl=21.+2==20_1.V2-2+2V2O⚪ὃᑖlḄᓄsnᓄsḄ¡⌕ᶇpKV¤¥HᑖlḄᓄs.ᓄsḄ}~ᑖ¦ஹᑖ§⌕¨ᑖᶇpKVḄ}~⌕ᓄᡂᨬsᑖlᡈ᦮l.21.ᔠᡃ¯°±ḕ³ᦻµ¶¯·᪥d¹º³ᔜ¼ᦻµ½¾¿ÀὅÂᦪÃU,ᔜ¼ÃUÂᦪᨵ6Åஹ5Åஹ4Åஹ3Åஹ2Åஹ1ÅᐳUÆÇÈÉÊᑴ⌼᝞ÎÏÐÑÒÓḄÃU8.1Ôº³Õᙳ×¼ᨵØÙᦻµ½¾¿ÀὅÚÊÛᩩ@8⊡ᐙÒÓ2Ô᪥ßJOᕜáâã⚪ᳮå湺³ç◤2Åᦻµ½¾¿ÀὅḄ¼³é⌱ÏÅ,ëᵨᑡ⊤ᡈî᪛ð8Ḅñòᡠ⌱ᦻµ½¾¿ÀὅᨵÏÅᩭõö^¼³Ḅᭆ᳛.ூdeMᫀ௃1hùC᪆ফ)ூᑖ᪆௃I᪷¿Àὅᨵ6ÅḄ¼³ᓰ20%,z{¼³ᦪ{¿Àὅý2ÅḄ¼ᦪ,þzò×Q¼³ÕᙳḄ¿ÀὅÂᦪ.2ᵫ1◤2ὅḄᨵ2ᐳ4ᐜ.A”A2ᩭB”B2ᩭᑡ᪛!"ᡈᑡ⊤%ᩭḄᐳᨵ4&'(ᑣᡠ⌱,ὅᩭ-Ḅᭆ᳛.ூ12௃241:ᨵ6ὅḄᨵ4.•.8ᦪ:44+20%=20.ᨵ,ὅḄᨵ420-4-5-4-3-2=2.BCᦻEF:GHὅIᙳKᨵ44x6+5x5+x4+3x3+2x2+2xl-20=4.NᩩP"⊡ᐙST᝞V4W18⚓/857⚓

19Aᦟt\6432◀5^321_ᦪ2ᵫ1◤2ᦻEF:GHὅḄᨵ2ᐳ4ᐜAiA2ᩭBi,B2ᩭc᪛!"4de&BஹBzA,B,BiAABAA&2Z2•♦♦♦4ᵫ᪛!"%fᐳᨵ12&%gḄ'(hiK&jklḄ%gឋnoᐸqᩭḄᐳᨵ4&'(41.•.ᡠ⌱,ᦻEF:GHὅᩭ-Ḅᭆ᳛:4—123ᩩPst"ᡧPst"⚣ᦪஹ⚣᳛x8yḄᐵ{ᑡ⊤|ᡈ᪛!"|3718684ᭆ᳛.22.᝞"ᙠ~PABCDqFᙠBCiAF=AD,DDE_LAF,ᚖ:E.14DE=AB2A:ᙊAB:ᙊAFG,BF=FC=1,BG.A_________________Dூᫀ௃12᪆22ᐔ6ூ12௃⚪ᑖ᪆4I᪷¥~PḄឋ¦NB=90஺AD=BC,AD஻BC,NDAE=NAFB,W19⚓/857⚓

20ZAED=90°=ZB,᪷¥AAS«aABFADEAᓽ%(2)᪷¥®¯ᳮAB,2±²³²PNBAF,᪷¥ᐰo³²PḄឋ¦DE=DG=AB=GZGDE=ZBAF=30°,᪷¥ᡧPḄ☢¶·¸ᓽ%.⚪2᪆4(1)¹PABCDº~P/B=90஺AD=BC,AD஻BC,AZDAE=ZAFB,VDE±AF,.,.ZAED=90o=ZB,®AABFxADEAq4NAFB=NDAE,ZB=ZDEA,AF=AD,/.»ABF^ADEA(AAS),DE=AB(2)VBC=AD,AD=AF,.,.BC=AF,VBF=1,ZABF=90°,...ᵫ®¯ᳮ4AB=,22-F=G.,.ZBAF=30°,VAABF^ADEA,ZGDE=ZBAF=30°,DE=AB=DG=GᡧPABGḄ☢¶=30¼(6)2¾.3604ὃ4ᡧP☢¶ḄtÀᐰo³²PḄᑨ¯Âឋ¦~PḄឋ¦.23.Ãᙢ_Fᜩ᫑᝞"ᡠÇᜩ᫑È6m,ᚁ☢BCḄᚁÊ:141,:ËÌÍF_«Îᜩ᫑ᨵᐵÏÐѯÒÓᚁÊÔÕᚁ☢ACḄᚁÊ:1:V3.(1)Õᚁ☢Ḅᚁ²a(2)Öᜩ᫑×ÏØÌ8mᜐ(PBḄ)ḄᦻEᜋPMgᔲ◤Ý◀.Þ▊Eᳮᵫ.ூᫀ௃(l)a=30஺(2)ᦻEᜋPMà◤Ý◀ᳮᵫ2᪆.ூ12௃⚪ᑖ᪆4(1)ᵫÕᚁ☢Ḅᚁá:14Gᵫ²Ḅ³²âᦪãᓽ%Õᚁ☢Ḅᚁ²(2)CCDLABD,ᵫᚁ☢BCḄᚁá:141,Õᚁ☢Ḅᚁá:144ᓽ%AD,BDḄäåABḄᑣ%ᫀ.⚪2᪆4(1)æ•Õᚁ☢Ḅᚁá:14516/.tana=tanZCAB==—,V33•Za=30°.4Õᚁ☢Ḅᚁ²a:30஺(2)ᦻEᜋPMà◤Ý◀.W20⚓/857⚓

21CCD_LABD,ᑣCD=6,•.•ᚁ☢BCḄᚁá:141,Õᚁ☢Ḅᚁá:146,.BD=CD=6,AD=65.AB=AD-BD=6V3-6<8,ᦻEᜋPMà◤Ý◀.MCPABDç⚪ὃè2±²³²PḄéᵨ.m24.᝞",ᙠI☢±²ᙶ᪗{q±í48Âxî8,ÂyîïÂðÊñâᦪòæxḄ"óᙠWæó▲C,CE_Lxîᚖ:E,08=4,OE=2.2(1)ðÊñâᦪḄ2᪆¸(2)஺ºðÊñâᦪ"óᙠW¹ó▲Ḅ஺஺õLyîᚖ:ö÷ø஺஺ஹBF.᝞kSABú=4SADFO஺Ḅᙶ᪗.x2ூᑖ᪆௃(1)ᵫḄᐵ{%BE=6,2±²³²P%CE=3,âᦪ"óᓽ%CḄᙶ᪗ü᪷¥CḄᙶ᪗ᑭᵨðÊñâᦪ"óḄᙶ᪗ᱯÿᓽᦪᦪm,ᵫᓽ(2)ᵫDᙠᦪᙠ▲ḄDḄᙶ᪗(n,--)(n>0).n!"!#$%OAḄ&'(ᑭᵨ"!#Ḅ☢,-.ᑭᵨ/nḄ0ᦪ.⊤2SABAF,᪷921⚓/<57⚓

22Dᙠᦪ#ᑭᵨᦪᦪkḄ>?@AᓽSADFOḄB⚪@DḄE"!#Ḅ☢,FḄᐵᓽᐵHnḄᑖ.JKJKᓽnBLMDḄᙶ᪗.ூP௃RপVOB=4,0E=2,.*.BE=OB+OE=6.RCE_LxT/.ZCEB=90°.ᙠRtZXBECUZCEB=90°,BE=6,tanZABO=—,21CE=BEetanZABO=6x—=3,2ᦪVCḄᙶ᪗(-2,3).m•CᙠᦪXYḄx/.m=-2x3=-6,...ᦪḄ᪆.y=-X(2)•••Dᙠᦪy=-9▲ḄX[DḄᙶ᪗(n,--)(n>0).nᙠRtZXAOBUZAOB=90°,0B=4,tanZABO=—,2Z.0A=OB*tanZAB0=4x-=2.2**SBAF=-AF*OB=—(0A+OF)*OB=—(2H—)X4=4H----.A222nn•.•DᙠᦪXY9▲ḄXSDFO=Nx|-6|=3.A•**SB/\F=4SDFOAA4H----=4X3fn22⚓/<57⚓

233Rn=—,23I?an=-cᑖ.JK4+=4x3Ḅ2n3••DḄᙶ᪗jY-4k.225.᝞ᙠRtZ\ABCUNABC=90஺AB=CB,wABxḄ஺0yACHD,EcAB{YjE|}AஹBᔠkDEḄ$y஺0HG,DF1DG,yBCHF.j3kAE=1,EB=2,DGḄ&.ூᫀ௃j1kP᪆j2kP᪆j3k2.10ூᑖ᪆௃j1kBD,ᵫ"!#ABCῪ!"!#/A}/CḄ'ᦪ᪷9ABᙊḄxᑭᵨᙊᕜ!ᳮᑮNADB!ᓽBDᚖHAC,ᑭᵨ!"!#{ḄU$H{ḄYIJAD=DC=BD=LAC,MZA=/FBD,(ᑭᵨ!Ḅ2!ᑮY!ᑭᵨASAᑮ"!#AED}"!#BFDᐰᑭᵨᐰ"!#¢{ᓽaj2kEF,BG,ᵫ"!#AED}"!#BFDᐰljED=FD,Mᑮ"!#DEFῪ!"!#ᑭᵨᙊᕜ!ᳮ¥Ὺ!"!#ឋ§ᑮY¨!ᑭᵨ¨!E$©ªᓽaj3kᵫᐰ"!#¢{ᑮAE=BF=1,ᙠ!"!#BEFUᑭᵨ«¬ᳮEFḄ&ᑭᵨ┦!"!#ᦪADEḄ&ᑭᵨE!Ḅ"!#®¯ᑮ"!#AED}"!#GEB®¯ᵫ®¯GEḄ&ᵫGE+EDGDḄ&ᓽ.23⚓/<57⚓

24ூP௃(1)a±RBD,ᙠRtZXABCUZABC=90°,AB=BC,AZA=ZC=45°,TABᙊ0Ḅx•ZADB=90°,ᓽBD_LAC,AAD=DC=BD=—AC,ZCBD=ZC=45°,2NA=NFBD,VDF±DG,AZFDG=90°,NFDB+NBDG=90஺VZEDA+ZBDG=90°,AZEDA=ZFDB,ᙠ4AED²4BFDUZA=ZFBD,AD=BD,ZEDA=ZFDB,/.³AED^ABFD(ASA),AE=BF(2)a±REF,BG,VAAED^ABFD,DE=DF,VZEDF=90°,•••³EDFcῪ!"!#,´ZDEF=45°,VZG=ZA=45°,NG=NDEF,AGB/7EF24⚓/<57⚓

25(3)VAE=BF,AE=1,/.BF=1,ᙠRtAEBFUZEBF=90°,᪷9«¬ᳮREF2=EB2+BF2,VEB=2,BF=1,•••EF=72+12=V5-2•.•³DEFῪ!"!#ZEDF=90°,DE**.cosZDEF=---,EFEF=G:.DE=E67=8~,22VZG=ZA,ZGEB=ZAED,/.³GEB^AAED,.GE_EBᓽGE«ED=AE«EB,"^E~~ED.♦.ᐺ.GE=2,ᓽGE=M25ᑣGD=GE+ED=^^.1026.᝞ᙠ!ᙶ᪗Uᨵ|Ã!"!#AOB,Oᙶ᪗ÅOA=1,tan/BAO=3,Ç"!#ÈÅO⌮Ê┐ÌÍ90஺lJ³DOC,Îᱥ$Ðax2+bx+cAஹBஹC.(1)Îᱥ$Ḅ᪆.(2)Pc[▲ᑁÎᱥ$ḄÔᐸÖᙶ᪗325⚓/<57⚓

26জÎᱥ$ØT1}xTyHYE,PE,yCDHF,Ù4CEF}³COD®¯ÊPḄᙶ᪗ঝÛᔲÝᙠYPÞ4PCDḄ☢,ßÝᙠ4PCDḄ☢,ḄB|Ýᙠà▊±ᳮᵫ.ூᫀ௃(1)y=-x2-2x+3(2)জPḄᙶ᪗R(-1,4)ᡈ(-2,3)ঝÙt=--ÊSAPCDḄB----624ூᑖ᪆௃(1)ᵫ"!ᦪḄA0B,(ÌÍᑮAஹBஹCḄᙶ᪗ᑭᵨãᦪäÎᱥ$᪆.(2)জ³COD!"!#VÙ4CEF}³COD®¯ÊᨵEåæçᓽNFEC=90஺ᡈZEFC=90°,ÙPE_LCEÊᑣÎᱥ$Ḅ⚔éêᩩìÙPELCDÊíPîPGJ_xTHG,a³PGEsacOD,ᑭᵨ®¯"!#Ḅឋ§ᑮᐵHtḄJKPᙶ᪗ঝ$CDḄ᪆.íPîPNJ_xTHN,yCDHM,ᵨt⊤2PMḄ&ÙPMïBÊᑣ4PCDḄ☢,ᐸB.ூP௃R(1)VOA=1,tanZBAO=3,OB„z——=3,OB=3,OAðᵫÌÍOB=OC=3,.A(1,0),B(0,3),C(-3,0),Îᱥ$᪆.Xax2+bx+c,ñAஹBஹC"Ḅᙶ᪗0ᐭa+b+c-0a{9a-36+c=0,{b=-2,c=3c=3.•.Îᱥ$᪆.y=-x2-2x+3,(2)জᵫ(1)VÎᱥ$ØTx=-l,⚔ᙶ᪗(-1,4),VACOD!"!#/.^³CEF}³COD®¯ÊᨵEåæçᓽZFEC=90°^ZEFC=90°,NFEC=90°,ᑣPEJ_CE,♦.,ØT}xTᚖÊÎᱥ$Ḅ⚔ᓽéêᩩìḄPÊPᙶ᪗(-1,4)NEFC=90஺ᑣPE_LCD,26⚓/<57⚓

27᝞íPîPGJ_xTHG,ᑣZGPE+ZPEG=ZDCO+ZPEG,/.ZGPE=ZOCD,NPGE=NCOD=90஺.,.³PGE^ACOD,.PGGE"'OC~OD)VE(-1,0),G(t,0),PÖᙶ᪗t,.••GE=-l-t,PG=-t2-2t+3,.---2/+3_-l-r-f2-2r+3_-1-t-—i3ߟ~rt=-2ᡈt=3,Pᙠ[▲.\t<0,ᓽt=-2,ÊPᙶ᪗(-2,3),øVéêᩩìḄPᙶ᪗(-1,4)ᡈ(-2,3)ঝ$CD᪆.y=kx+m,,1—3k+m=0kߟߟñCஹDEᙶ᪗0ᐭü,ீ3,m-1,[$CD᪆.y=—x+1,3᝞2,íPîPN_LxTyxTHN,y$CDHM,27⚓/<57⚓

28/.PN=-t2-2t+3,MN=-t+1,3TPᙠ[▲PᙠMJ177APM=PN-MN=-t2-2t+3-(-t+1)=-t2-—1+2=-(t+-)2ÿ66367121...t=-PMᨵ6361113SAPCD=SAPCM+SAPDM=—PMCN+—PMNO=—PMOC=-PM,2222.PMᨵAPCDḄ☢ᨵ,_3121121•(SAPCD)max=_x~——23624121)*+,-ᙠ/P04PCDḄ☢4PCDḄ☢ᨵ.241⚪ὃ456789:Ḅᑨ<=ឋ?Ḅ@ᵨB

292022-2023
ḕὃᦪ⚗ᓣ⚪*ஹ⌱⌱a1ᜧ⚪ᐳ10d⚪ed⚪3ᑖᐳ30ᑖᙠed⚪gQḄhi⌱⚗klᨵiRmᔠ⚪o⌕FḄq1.rᑡᔜᦪRuᳮᦪḄRaqA.1B.-06C.~6D.ᐔ2.x□z{|696000ᓟ~ᑣ696000ᵨᦪE+⊤VaqA0.696x106B.6.96x105C.0.696x107D.6.96xl083.rᑡ:kR:ᨵR:ḄRaq4.rᑡkRaḄRaqA.a3-a4B.a3*a4C.a3+a4D.a3-^-a4Y29⚓/]57⚓

305.᝞ḄRa)6.᝞“Ὴ”᪗ᔣ4iᓫᔣr2iᓫ/PḄ¡/ᡝḄᙶ᪗RA.(-1,2)B.(-9,6)C.(-1,6)D.(-9,2)7.᝞¦/3CkRBC§*Ḅ¨NEஹ8ªᑖ«R/8/CஹN/3CḄᑖ¬ZBAC=50°,ZABC=6Q°,ᑣ/£/஺+¯4஺£>=()A.75°B.80°C.85°D.90°8.᝞ABR00Ḅ³{/D00*/´NABD=30o,BO=4,ᑣ¶Ḅ·aqY30⚓/]57⚓

31248A.—nB.—71C.27rD.-7t33349.¸,Gᦪyi=x-3¹º»¼GᦪM=Ḅ½ᙠ☢³9ᙶ᪗Ck¾¿1ஹ8À/ÁÂÃxXḄÄÆRaqA.x<-1ᡈx>4B.-IVxCOᡈx>4C.7Vx<0ᡈ0

3215.ᙠiᨵõöḄ÷økùᨵ᪗Ḽᦪû2,3,4,5Ḅ4idᳫý4idᳫḄᩞ?ஹᜧd¹:ÿᐰ᥎ᳫᳫḄᦪᜧ9Ḅᭆ᳛16.ᐝ!“#ᜮஹ&'ஹ(”*+,-./01234ὅ63ᑖ8ὅ67ᑖ:0;<6஺ᑖᐝ<ᑴ?@ABḄ*+CᶍEF;

3321.᝞BIAஹBஹCஹDஹEMOO0OḄBE=26,ZBCD=120°,=>BEḄBAᑮP,¡BA=AP,¢£PE.1
¤¥BDḄ;2
u.¤PEMḄᑗ¤.22.Ḽ¨©Ḅª«¬vª(ABᜩ¯°Ḅ{ᦪc±ᡂ/³\´.“Ꮙ¶·;”▰@@k¹Ḅº»Ḅ¼½]^.¾@¿ᑖº»À¯Á¹Â6ᨴ1ÄÅᜩ¯°Ḅ]^ᑖÆÇÈ.A0É5000{UOPQ.“0É5000”⊤Êᜧ0,5000,_UB5001-10000{UC10001É15000{U,஺O15000{ÌU,Í}ÎÏ᝞ᡠÊ:1284ÑÒÓÍ}ÎÏÔl_ᑡÖ⚪:O1UnY/ᐳ@______׺».2
cI/Ǻ»;ᦪM£UǺ»;ᦪḄ5Ø.জÑ⊡ᐰᩩÜÝঝᡧÜ7”KpᡧÜḄᙊáâã.ঞ▰ᐳᨵº»150;Ñ᪷ÓᦪÓå}ᜧæᨵçè׺»6ᨴ1Äᜩ¯°Ḅ{ᦪév10000{ê23.Xë5ᨴᡃíᓭLXḕAஹBðñòóôõö÷ø1.5ù;úûüýþðCஹDÿAஹBᑖញ◤ᦗᱥ200ᔴ300ᔴḄᱥ.Cᨵᦗᱥ240ᔴDᨵᦗᱥ260ᔴᦗᱥᐰ"#AஹB.$%33⚓/(57⚓

34C#AஹBḄ-ᵨᑖ/0ᔴ20ᐗ25ᐗ$D##AஹBḄ-ᵨ/0ᔴ15ᐗ30ᐗ8$D#BḄᦗᱥ/xᔴ.:1;<=ᑏ?⊤A:ᔴ;B:ᔴ;ᔠB:ᔴ;C240——DX260—(B:ᔴ;200300500:2;8CஹDḄ(-/wᐗFwGxHIḄJᦪᐵMNOᑏPQRSxḄTUWX:3;YZ$DᑮBḄ\]^ᑮ_ᦋᗐbc_deI-0ᔴfgmᐗ:m>0;,ᐸl\m-nᨵR.oCஹDḄ(-ḄᨬqUnᨵqr10320ᐗFmḄTUW.24.ᙠZkABCvEஹFᑖ/myABஹACzḄ{:nᨵGAஹBஹC|ᔠ;.SAEAF:1;᝞~1,oEF஻BC,F-r^=—Z—7XS.ABCABAC:2;᝞~2,oEFnᨵGBC:1;vḄᔲᯠᡂ<ᳮᵫ;:3;᝞~3,oEFz{Gា/AABCḄ|—F21ḄU.4B4S“sc:1;FᱥmḄ¡᪆NX:2;o{BஹCᙳᙠᱥmzᐸv{B:0,-;,¤/BDC=90஺F{CḄᙶ᪗;4:3;᝞~©my=kx+4-kGᱥm¬rPஹQ{.জFZPDQ=90°XঝFAPDQ☢³ḄᨬqU.%34⚓/(57⚓

352022-2023
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