2022-2023学年上海市虹口区中考数学专项提升仿真模拟卷（二模三模）含解析

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2022-2023
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235¾¿*/CDÃ~Ó*.=⚪ὃwµ¾¿*ḄᑨÈSឋÀஹᐰÊË-*ḄᑨÈSឋÀஹÓ*ḄᑨÈ6àᶷᐰÊË-*ḄᑨÈSឋÀGn-ÐÊḄ¾¿*~Ó*ḄᑨÈ~{⚪Ḅᐵ}.22.(1>>3(2)/n>6ூᑖ᪆௃(1)ᐜ{LäᦪåxæḄç×6èéç×ᙶ᪗ìᦪ6íᓄ{¢ᐗ0Êᓽ](2)᪷9hð6ñᡂóíᓄ{¢ᐗ0Ê.(1){Uéy/=06LX=M—3,♦.•äᦪy/=-x+m-3ḄhøåxæḄç×ᙠyæùú6••û¢3>0,(2)᝞h6ᵫ(1)Ly/=—x+û-3åRæç×ýᙶ᪗û¢3,þx<3»>>2,ᑣm-3>3ᫀ16⚓ᐳ38⚓

24⚪ὃᦪḄឋᦪXḄ!ஹ#ᐗ%&'&()*+Ạὃ!-./ᐵ()*1⚪ᐵ2.23.প51᪆(2)51᪆ூᑖ᪆௃(1)ᵨ8#ᩩ:;&<=(:;Ḅ>?8=AC=CM,ᑣA(ᑣ=4,!MᓽCᡠEF(2)ᑖH8BM,CNḄᚖJKᑖ:/

25A᝞!஻ᓽCᡠEF(2)᝞ᡠfᙠ(1)ḄN+ẠhᑖHY8ஹᵨCᙊRᜧ<;kCZ[ᑖH8]EஹF`!mPEF,^ᑖHYCஹ/CᙊRᜧ<;CMkCZ[ᑖH8]ᐵ'Etan37°tan37°_஻ᙠ8%᪷┦MLMᦪḄᭆBHḄkᯠ¡᪷=,¢ᛞ|Ḅk£¤1.ᫀ18⚓ᐳ38⚓

26ூ¦1௃᝞_B

271325.প᜛=——x2+-x+707162121(2)·(3)50ூᑖ᪆௃(1)ᵫ¸Uᦪ?1F(2)ᵫ¹ᑗU»1஺8=80,¼¤EJ:8cḄ1᪆'½²¾ᕒᑮᚁ☢8cÂJ>ᔣhḄCÃÄ_ᵫ஻=Å#pᑮÆ°ᦪ^ᑭᵨÈ>?EᨬÊF(3)EJ:Ëᱥ:Ḅ!ÍᓄCE#ᐗÆ°>-Xᐗ+60=-ai+jx+70Ḅ1^᪷LMNÐ:Ḅឋ1HC,Ñ஻Ḅk᪷ÒÓUᳮ1.(1)1X½Æ°ᦪḄ⊤Õ'Cy=ox2+bx+c(a,b,cCÖᦪ”y)Ø(0,70)(4,75)ஹ(8,78)ÙᐭAc=70<16a+46+c=7564Q+86+C=781a=----1631b=3c=70.•.Æ°ᦪḄ⊤Õ'C>=-h/+]+70F162(2)½:;8C⊤fḄ஻xÜÝḄᦪ⊤Õ'CyÑÞ+6(ßCÖᦪà0),ᙠRtZXBOCZBOC=90°,OC3\tanNC6O=tana=----=—OB4VOC=60,A05=80ØC(0,60),B(80,0)ÙᐭY=fac+bAᫀ20⚓ᐳ38⚓

28Jh=60[80^+6=0i=601,343:;8c⊤fḄ஻xÜÝḄᦪ⊤Õ'Cy/=-3+60(00080)½²¾ᕒᑮᚁ☢BCÂJ>ᔣhḄCÃÄᑣd—y—yi——ᯅ/+~-^+70-(--^-x+60)=:—â/+(x+10=—ã(x-18)2+121äx=18,dḄÊCå.4X²¾ᕒᑮᚁ☢BCÂJ>ᔣhḄÃÄCm.4(3),3y=-—x+6013”y=---᮱2+ߟ%+70I162313x+60=----x2+—x+704162/—36160=0?.(x+4)(%-40)=0.•.1=40ᡈé=-4(êÞ)ᓽPx=40,ë஺8=80ᫀ21⚓ᐳ38⚓

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30C/*஺஺ḄJ[NE4C=90஺ZF+Z^CF=90°,•ZF=/ACD,*/NF=NB,..ZB=NACD,'.AB=AC,CD=CB,..^ABC^ACD,AC-AD,/.AB=AD,(2)mP_஺ò3C

31.AE+EDCD•~CD—ߟ~ED'3E=5,CD=BC=6,.5+ED6•------—■,6EDEZ)=4ᡈED=-9():.AC=AD=AE+ED=9,ᵫপAHLBC,BH=CH=BC=3,..ZAHC=90°,ᙠANHCᵫᳮAH=ylAC2-CH2=792-32=672஺஺Ḅ!"#r,ᙠ$%O஻C,ᵫᳮOH1+CH1=OC2ᓽ(6(-/*+32=/,ᔆ=/08ᓽ஺஺Ḅ!"#/1.83⚪5ᔠὃ89ᑗ;Ḅឋ=ஹᙊᕜAᳮBCᳮஹᚖ"ᳮḄCᳮஹᐰFGAHḄឋ=IᑨஹKLGAHḄឋ=IᑨBᳮMNOᵨQᐵឋ=IᳮSᜐᳮU⚪ᐵV.27.(1)W᪆Y#-2(2)(7,10)(3X(£,F)>4(4)55ூᑖ᪆௃(1)᪷[᪗⚪ᦈ/,8)Ḅ^_`abᐭ^_ᓽdefgh(2)᪷[⚪ieᓃk=-lm⚪noᩩqὶstᓽdh(3)ᐜ᪷[⚪ie“E,w=-2(/+%)+8,ᑭᵨyFzḄឋ=ᓽdefghᫀ24⚓ᐳ38⚓

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33᪗⚪¤⌕ὃ8ᦪஹ¦¤ᦪB§¨©ᦪ5ᔠOᵨᳮ⚪iS⚪ᐵV.ᫀ26⚓ᐳ38⚓

342022-2023
⇧ὃᦪ⚗ᓣᔁ=ஹ⌱⌱{Uᜧ⚪ᐳᨵ8⚪®⚪3ᑖᐳ24ᑖ.ᙠ®⚪°eḄ±⌱⚗ᨵ⚗S³ᔠ⚪´⌕tḄµ}¶·⌱⚗¸Ḅ¹ºb»¼½ᙠ⚪ᓱQ¿ÀÁ1.-3Ḅ᎔ᦪS{A.-3B.3C.-AD.A332.ÃᑡᫀSÅÆÇHḄS{ÈX3.2021É12ᨴ9Ë'‘ᜩÏÐᚪ”¶zÓÐᡃÕÖᜩᕒᙠÕØÙÚÛÜÝØᣴÐU¤ᣴÐfßᙠ;àáâᦪã^äå14600000â¤.æ“14600000”ᵨçèéᦪa⊤ë#{A.0.146X108B.1.46X107C.14.6X106D.146X1054.ᙠìíîï7ð᝕/òᓷôᙶḄᡂ÷᝞Ã{¤/ᑖù,38,42,42,45,43,45,45,ᑣûüᦪ[ḄýᦪS{A.38B.42C.43D.455.ᦪþÿxḄA.B.C.xWOD.xWl6.4ABCḄᑖ2,3,4,ᨵḄDEF,ᐸᨬ12,ᑣDEFḄᕜA.54B.36C.27D.217.᝞!"ᨵ#$2Ḅᙊ&'"ᐸ()*+,Ḅ-ᙳ/"0912111Ḅ345ᩩ78"ᑣ'☢(▢;<ᑖḄ☢=>ᫀ@27⚓"ᐳ38⚓

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Ḅsx=l,ᑣm+nḄ.13.᝞!"AB஺OḄT$"AC஺OḄᑗ7"Aᑗ1"wBC,஺O1D,wOD,NAOD=82஺"ᑣ/C=0.>ᫀ@28⚓"ᐳ38⚓

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