2022-2023学年辽宁省营口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
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52022-2023
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18♦.•zi(CD8o¬(&/•zi(CDBF:|}(.⚪:¾¿ÀᣚÂᔠ⚪Ä&Å⌕ὃ!`aÀᣚḄឋ.&"#$ᳮ&|}(Ḅᑨ$&¬(Ḅᑨ$rឋ.Ç*+,+(hiḄ¦ÈÉÊËÌᜧ&᪷,+(hiḄ°2CD=BD=B2BE:)⚪Ḅᐵ>.724.᝞&*y=-1X+crÎÏЮ44(3,0),rÑÏЮ43,Òᱥ(1)64BḄᙶ᪗/ÒᱥḄ)᪆v(2)M(m,0)oxÏNEW4&x4Mᚖ*®xÏḄ*r*AB/Òᱥᑖ×Ю4PஹN,জ4Mᙠ]Q4wW&b3,&No⚔4Ḅ,+(rA4PWHÜ&64MḄᙶ᪗ঝ4஻■ᙠxÏwW&b,E4M&&NាᨵN4:ᐸáD4ᡠâ]Ḅ4(,4Kᔠ◀᜜)&ᑣåM&PN,4o“ᐳè4”.~*êᑏìM&Pᔂ,4ᡂo“ᐳè4”ḄïḄð.ூ|;ᫀ௃(l)B(O,2),y-...x~H---x+2(2)জ4MḄᙶ᪗o(—,0)ᡈM(N&33820õঝm=-lᡈm=-&ᡈm=.422ூᑖ᪆௃(1)ö4÷(3,0)øᐭy=—]X+c6cð&ᓽû4BḄᙶ᪗Òᱥ¦19⚓/©45⚓

194y=-3x'+bx+c44(3,0),ᓽû6bð&ýþ6ÒᱥḄ)᪆v(2)ᵫÏ&4ioM(m,0),ûN(NNN஻I?+N+2),জᑖNP=90஺/NBNP=90஺Dÿ
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>?᝞AB(I)DNP=90஺E,FNGNC_LyC,ᑣNC+NBNC=90஺,NC=m,410ஹ541022BC=——m~+—H+2—2=——m~+—m3333VZP=90°,AZC4-ZABO=90°,NBNC=NABO,ARtANCB^RtABOA:.49=C"ᓽ3"+3",m=0(LM)ᡈm=—mOBOA—=---------;---------8N20⚓/Q45⚓

20/.M(—0)8(II)DNBNP=90஺E,BN±MN,••NḄ]ᙶ᪗2,.42I஺or•------~H-----------+2=233m=0(LM)ᡈm=22AM0)cd,MḄᙶ᪗e",0fᡈMe*,0f82ঝᵫজi0M(m,0),P(m,---ᵨ+2),N(m,---m~H---H+2),333VM,P,N*“ᐳp”,••ᨵPrMNḄஹMrPNḄᡈNrPMḄ,2410DPrMNḄE,ᑣᨵ2eH+2f=஻/Hm+2,m=3e*uᔠ,LMfᡈ333DMrPNḄE,ᑣᨵ-2H+2+e-+—w+2f=0,m=3eLMfᡈm=T333DNrPMḄE,ᑣᨵ஻?+2=2eH---m+2f,m=3eLMfᡈm=3334cdi0DM,P,N*ᡂ“ᐳp”EmḄgᡈTᡈ-ὃB}~ᦪcᔠ⚪.N21⚓/Q45⚓

212022-2023
ḕ⃩ὃᦪ⚗ẚᔁ-ஹ⌱-⌱eᜧ⚪10⚪,⚪3ᑖ,ᐳ30ᑖf.ᙠ⚪ᑡḄ⌱⚗,ᨵ-Ḅ,⚪ᓱd⚪ᡠ⌱Ḅ⌱⚗.1.ᙠᦪ0,-2,2,ḄefB.-2C.ᚖ)2.Aᦈஹ⁐ᒹ£ஹ⁚¥ஹ¦§᪗¨,ᐸª«¬Ḅூ௃3.®ᳫ°10±°ᕒḄ³´᝞A⊤ᡠ¶:
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2314.EP(-3,4)ᐵ3yLḄMNEPḄᙶ᪗.15.᝞SᙠRSABC%ZACB=90°,AC=4,BC=3,R3ABC^EA⌮`┐bc30஺efᑮ4ADE,ᑣS%▢lmᑖḄ☢op.qஹ⚪fX2+1X2-117ᐜᓄz{|+"---1---ᐸ%x=2.12xJx+x18.᝞SᙠRtzUBC%NB4c=90°.(1)48cḄᑖZC3EP,{EPpᙊp஺(⌕|"SᶇSᨵᑏ.)(2)ᑨ(1)%BC஺PḄᐵ"------------------------19.¡¢£¤¥“§¨”⁚ᑮ«¬2400Ḅᵯl▾°ᵯlᑮᵯl▾e±²ᵯlἠ´µ¶·`«ᵯl¸¹ºᨵ25ᑖ»3.¼½¾¿¬ÀᑮἠeÁÂÃᑮ¨Ä“ᐳÅᓫÇ”ÈÉÊ¿ᵯl▾01¡ËÇḄ`Ìͽ¾Ḅ`ÌÎᵨ¶4ᑖ»ËÇḄᙳÑÒ.½¾ḄᙳÑÒḄ1.5Ó.(1)|¡½¾ḄᙳÑÒ(2)᝞Ô¡ᙠ¬*ἠ¢ÕÓᐳÅᓫÇ”ᐳᵨ¶6ᑖ»¼×ᔲᙠᵯl¸¹ÙÊᑮᵯl▾ÚÛÜᳮᵫ.20.᝞Sᙠß48C%NACB=90°,D,Eᑖà.8C,Ḅ%EáâDEãäåEF,24⚓/A45⚓

24
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262022-2023
ḕ⃩ὃᦪ⚗ẚᔁஹ⌱⌱3ᜧ⚪10⚪&%⚪3ᑖᐳ30ᑖ.ᙠ&%⚪ᑡ8Ḅ:;⌱⚗,<ᨵ;>?@ḄABC⚪ᓱEFG⚪Hᡠ⌱Ḅ⌱⚗JK.1.ᙠøᦪ0,-2,ù2;Ḅe23A.0B.-2C.?D.2ூ1⚪,ᫀ௃ூýþ,ᫀ௃Cூÿ௃᪷ᦪᜧḄV5>2>0>-2,ᦑᦪ0,-2,?,2ᐸḄᦪ6.ᦑ⌱C.2.ᦈஹ⁐ᒹஹ⁚ஹ!"#$᪗&ᐸ'()*Ḅூ௃-27⚓/045⚓

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S1&1920212431ᑣX10ONᕒQRḄYᦪZ[ᦪᑖ]()A.19,19B.19,19.5C.20,19D.20,19.5ூ3⚪2ᫀ௃ூ452ᫀ௃Aூ6௃ᵫ⊤abcᐳᨵ2+4+3+1=10$ᦪᐸ19efḄgᦪhiᦑXjᦪḄYᦪ19,ᢥlᑮᜧḄᦪ᣸ᑡ18ஹ19ஹ19ஹ19ஹ19ஹ19ஹ20ஹ20ஹ20ஹ21,ᦑ[ᦪ19.ᦑ⌱A.pqr⚪ὃtYᦪZ[ᦪ⚪Ḅᐵvw5YᦪZ[ᦪḄxy.4.ᑡz{45Ḅ()A.x2-x3=x6B.-2x2+3x3=-5x2C.(Tab)?=9//D.(a+b)2=a2+b2ூ4⚪2ᫀ௃ூ452ᫀ௃Cூᑖ᪆௃᪷᦮~Ḅ{ᑣ⌲$ᑖ᪆ᓽ.ூ6௃A.x2-x3=x5,r⌱⚗┯B.-2X2+3X3=X2,r⌱⚗┯C.(-3ab)2=9a2b2,r⌱⚗45-28⚓/045⚓

28D.(a+b')2-a'+2ab+h2,r⌱⚗┯.ᦑ⌱C.r⚪ὃ᪶bp᦮~{.⚪ᐵvp᦮~{ᑣ.5.cᙽ>cᙽ᝞)/1=45஺ᑣN2Ḅ<ᦪA.115°B.120°C.145°D.135°ூ5⚪2ᫀ௃ூ452ᫀ௃Dூᑖ᪆௃ᵫ)*ḄᑁZ¥¦180஺ᓽ¨N3Ḅ<ᦪ©ᵫª⊡xy¨N4Ḅ<ᦪᯠ=ᵫ®¯°±[²¥ᓽ¨N2Ḅ<ᦪ.ூ6௃ᙠRMABCZA=90°,21=45஺¸b¹,.•./3=90஺-/1=45஺*ḄᑁZxᳮ¹.*.Z4=180°-Z3=135°¯xy¹VEF/7MN¸b¹,./2=/4=135஺®¯°±[²¥¹.D⚪ὃtÂ*ḄᑁZxᳮ>¯°®ḄឋÄ.ÅÆ®¯°±[²¥>ᦪ*ÇÈḄÉᵨ.6.ᐵ¦xḄÍx2+5x+m=0Ḅc$᪷-2,ᑣÐc$᪷¹A.-6B.-3C.3D.6ூ6⚪2ᫀ௃ூ452ᫀ௃B-29⚓/045⚓

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30ᵫঝD-3ᙠᦪ⊤ᐸK:ᡠNᨵḄK<-3VO2,ᦑ⌱D.ᐗᨵRSTᵨ“ᑖWX5”ḄZ[ᓽᓫ]Ḅ^3ᨵ_`XabcḄḄ“6ᐳ8ᑖ”.ᙠa“6ᐳ8ᑖ”ḄdeX:fgᦪᡈij2kZ[5ᨵḄ.ᐸX5ᨵḄZ[K<“lᜧnnlnᜧnnᜧXoa,nnp”.ᙠᦪ⊤qᜧrᔣtunrᔣvuwxlyz{ᨵwxl|zᙊᙌ.9.᝞AB஺஺ḄOC_LABr{D,஺஺ḄK5,AB=8,ᑣCDḄூ9⚪)ᫀ௃ூ)ᫀ௃Aூ;௃⚪ᑖ᪆0ঞZeox2+bx+c=0Ḅ23᪷M=-1,X2=3ট§y>0qxḄl¨ª-l0qy¬xḄᜧ_®n.ᐸX¡Ḅ3ᦪE31⚓/H45⚓

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39
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