2022-2023学年南京市玄武区中考数学专项提升仿真模拟卷（一模二模）含解析

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2022-2023
ᓭ᳘ὃᦪ⚗ᓣᔁ⌱
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réFH,êAFBHëFHìᢚîrBḄïrEðᙠADEHñCDtqrG,éBGtFHqrM,ôGB8ᑖNCGE³BM=2ῖAE=8,ᑣED=____.20.ÝÞ¥ᦪy=0¥?+bx+c(a<0))§ñx'ḄtrZஹ8Ḅþᙶ᪗ᑖ-3,1,yC,☢জ16஻-46+c<0ঝ!P(-5,yO,0(5$”)'(ᦪ*+,Ḅ.$ᑣyi>y2ঞ1--cট!3/BC'6Ὺ89:$ᑣ6=-2=.ᐸ@ABḄᨵ(DEABḄFGᐰIJ3±)8.KL⚪(ᐳ1O⚪$Pᑖ12ᑖ$QO⚪12ᑖ)21.(1)RS|-72I+V9X(7)1-2cos450-(Jt-1)01x-1(2)Kᑖ^_`:-3=x-22-x.KL⚪(ᐳ1O⚪$Pᑖ12ᑖ$QO⚪12ᑖ)22.᝞*$AB'஺0Ḅef$PᙠABḄijk,$lCEABD.opOEஹAC,=NP=NE,ZPOE=2ZCAB.(1)uvCE±AB(2)uvPC'஺஺Ḅᑗk(3)!BD=2OD,PB=9,u஺OḄyfztanZPḄ}.~.KL⚪(ᐳ1O⚪$Pᑖ14ᑖ$QO⚪14ᑖ)23.@KḄ$@Iᑖ3⚓/50⚓

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52022-2023
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62+(X4-2)2+(X5-2)2+(X6-2)2]=&[(Xl2+X22+X32+X42+X52+X62)-4(X\+%2+X3+X4+X5+X6)+4X6]=3,(Xl2+X22+X32+X42+X52+X62)7ᦪcḄᙳᦪ=[3xi-2+3%2-2+3x3-2+3x4-2+3-2+3n-2]=[3(xi+X2+Xs+X4+X5+X6)661n1-2X5]=-[3X12-12]=-X24=4,667ᦪcḄ=[(3xi-2-4)2+(3M-2-4)2+(3x3-2-4)2+(3%4-2-4)2+(3x5-2-4)2+(3x6-2-4)2]=[9(Xi2+X22+X32+X42+X52+X62)~36(x\+%2+%3+%4+%5+%6)+36X6]=&[9X42-36X12+216]=-X162=27.6ᦑ⌱D.4.Wᑡ_`^£N☢¥F¦§`ḄF()7--ூNOPᫀ௃cூᑖ᪆௃vᑮ£N☢¥ᡠᑮḄḄ_`«¦§`ᓽi.ூST௃A.£N☢¥«$¬᣸Ḅ®`mB.£N☢¥«¯`mC.£N☢¥«¦§`mD.£N☢¥«®`mᦑ⌱C.q⚪ὃs¦°_±៉³q´µ_Ḅ¦°_FT⚪Ḅᐵt.5.(m+n)2=11,(m-n)2=3,ᑣ(mn)*2=()17⚓/550⚓

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F,àáâÜ`AFDEḄᕜäF()A.30B.25C.20D.15ூNOPᫀ௃AூST௃ᑖ᪆jå«AB=AC,ᡠKAABC«æῪ¦§`ᵫDE஻AB,ièACDE«æῪ¦§`&ᳮABDFê«æῪ¦§`᪷cῪäCæäëᓄ+ᕜä.STjVAB=AC=15,.*.ZB=ZC,ᵫDF஻AC,NFDB=NC=NB,m.FD=FB,18⚓/550⚓

8&ᳮDE=EC.âÜ`AFDEḄᕜä=AF+AE+FD+DE=AF+FB+AE+EC=AB+AC=15+15=30.ᦑ⌱A.Æjq⚪ᑭᵨï$ðñ&§CææÜæ§òæ§æÜᩭ¸âÜ`ḄᕜäëᑮABACH+TḄ.8.}~00Ḅôõ«10,P«ᑁ7÷OP=6,ᑣùP÷äú«᦮ᦪḄüᨵ9?A.5ᩩB.6ᩩC.8ᩩD.10ᩩூNOPᫀ௃CூST௃T:᝞_ABFðõOA=10,OP=6,ùPþCD_LAB,ᙊC,D.ᵫᚖᳮPCDḄᵫᳮPC=8,CD=16,ᑣCD!Pᨬ#Ḅ$%&16'AB!Pᨬ%Ḅ$%&20.ᡠ+!PḄ$Ḅ$%,+17,18,19ᔜᩩ.1ᐳᨵ8ᩩ%4&᦮ᦪḄ$.ᦑ⌱C.9.᝞:;ᑡ:=ᙳ?ᐰABḄᢥ᯿EḄFGᡠHᡂḄJজL:=Eᐳᨵ3LJঝL:=Eᐳᨵ8LJঞL:=Eᐳᨵ15L…ᢥRFG᣸ᑡ;TJ9L:=ḄLᦪUVজঝ.ঞA.80B.89C.99D.109ூXYZᫀ௃Cூ]^௃ᵫ:ᑖ᪆,aJ1b:ᨵU1+1V24=3LJ2b:ᨵU2+1V2_]=8L,J3b:ᨵU3+1V2-1=15L.....J9⚓/150⚓

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13ூ67ᫀ௃4ூ:;௃;᝞.>8?BP_LE//bP,ÃÄBE,.FHN,ᑣN8PG=90஺.Õ¢l48CD46lA^BCD=ZABC=ZBAD=90°,AB=BC,:.NBCD=NBPG=9Q஺.*GBᑖCGE,:.NEGB=NCGB.Ù,BG=BG,:ABPG!ABCG,.4PBG=2CBG,BP=BC,.AB=BP.:NBAE=NBPE=90°,BE=BE,.Rt^ABE^Rt/\PBE(HL),,NABE=NPBE,.ZEBG=ZEBP+ZGBP=-ZABC=45°,ᵫᢚÜIBF=EF,BH=EH,:.FHᚖ#ᑖBE,2$BNM4ῪAGkGl.BM=2V26,BN=NM=2%,/.BE=45.-AE=8,.,.RtZ\/BEt4B=dBE2—AE?=ã,,AD=\2,.DE=\2-8=4.ᦑᫀ4.S⚪ὃVWÇᢚvᣚஹ6lḄឋYஹᐰkGlḄᑨnmឋYஹGCᑖBḄnஹåænᳮஹBçᚖACᑖBḄឋYºé;⚪Ḅᐵ\4êëìíîïB᪀⌼ᐰkGl;ñ⚪.20.sᦪy=ax?+6x+c(a<0).øxùḄÊ/ஹ8Ḅúᙶ᪗ᑖ-3,1,yùÊbC,ÿ☢
জ16஺-46+c<0ঝP(.~5,y\),0(Q_V2)ᦪḄ"#ᑣ%>&ঞa=-§cট,/BC0Ὺ234ᑣᐸ678Ḅᨵ(:;78Ḅ<=ᐰ?@3)ூ78Cᫀ௃জঞ.F14⚓/H50⚓

14ூJK௃Kজ•.NᱥPQRᔣT♦.•UxVḄW#/ஹ8ḄYᙶ᪗ᑖ]^-3,1,.,.`x=-4Ila᜛c0,ᓽ16a-4b+c(0ᦑজ78ঝ•.•UxVḄW#/ஹ8ḄYᙶ᪗ᑖ]^-3,1,...NᱥPḄfgVx=-l,yi))Q(-,h)-1-(-5)=4,--(-1)=3.5,ᵫfgឋk(-4.5,l)U஺(m”)fg#ᑣᑗcஹ2ᦑঝpᨵ78/71(3)V------=-1:b=2a,`x=lq;y=Oᓽ஻+b+c=O,3a+c=0,a=---cf2a3ট⌕u,%C8^0Ὺ234ᑣvwxyᡈ%8=ZC=4ᡈZC=3C,`%8=8஺=4q9AO=[,8OC^{3234|ீOCḄ~ᓽ^./=16-9=7,•,ᵫNᱥPUVḄWf#ᙠyVḄ7V."=J7,Ub=2a,a+b+c=OὶᡂKKkb=-23ᳮ`ᨴ8=NC=4q'AO=\,,ZOC^{3234|0CḄ~ᓽ^ᓃ|,."2=16-1=15,:ᵫNᱥPUyVḄW#ᙠyVḄ7V.c=Jj?,Ub=2“ஹ஻+b+c=OὶᡂK,Kk=-2h3ᳮ`NC=3Cqᙠ,/OC6A^l+c2,ᙠ,8OC63G=C2+9,"AC=BC,.l+c^=c2+9,ᦪK.Kᨵ"bᩩ.ᦑঠ┯.ᡠ78Ḅজঞ.ᦑCᫀ^জঞ.#¡¢⚪ὃ¥¦0Ὺ234Ḅᑨ¨ஹḄKஹNᱥPUᙶ᪗VḄW#ஹ©hᦪy=ox2+bx+cḄUªᦪḄᐵª`஺c0,NᱥPQRᔣTNᱥPḄfgV^{Phx=----NᱥPUyVḄW#ᙶ᪗^(0,c),UxVḄW#^(X”0)ஹ(¬20).2a2.KC⚪(ᐳ1®⚪ᑖ12ᑖ¯®⚪12ᑖ)21.(1)°±I-721+8X(y)-1-2cos45°-(Jt-1)0F15⚓/H50⚓

151x-1(2)Kᑖ²:-3=x-22-xூ78Cᫀ௃(l)5;(2)x=3ூJK௃ᑖ᪆(1)ᵫḄឋ´ஹ3Ḅ23ᦪஹµᢣᦪ·U¸ᢣᦪ·Ḅឋ´ᓽ;¹²ᓄ»ᯠ½ᙠ¾¿&ÀÁ±ᓽÂkCᫀ(2)ÃÄkᨬ»ÆᑖÇ(x2)ᡈ(2-x),"ÈÉᨬ»ÆᑖÇÊËᑖ²Ìᓄ^᦮²ÂK.JK:(1)¹²=Î+3x2-2x#-1=6+6-72*1=5(2)ÏᑖÇk1-3x+6=l-x,Kkx=3,ÐÑx=3ᑖ²ḄK.ᡠʹḄK^x=3.
.KC⚪(ᐳ1®⚪ᑖ12ᑖ¯®⚪12ᑖ)22.᝞AB஺0Ḅ{Ó#PᙠABḄÔ~PÕCEWABÖ#D.×ØOEஹAC,ÙNP=NE,ZP0E=2ZCAB.(1)ÂyCE±AB(2)ÂyPC஺OḄᑗP(3)BD=20D,PB=9,Â00ḄÓÚtan/PḄ.ூ78Cᫀ௃(1)yÛÜK᪆(2)yÛÜK᪆(3)Ý.4ூᑖ᪆௃(1)×0C,᝞᪷ßᙊᕜ3¨ᳮkNP0C=2/CAB,ᵫÖNP0E=2NCAB,ᑣNP0C=NP0E,᪷ß0Ὺ234Ḅឋ´ᓽkâIjCE±AB(2)ᵫCELABkZP+/PCE=90஺&NE=/0CD,ZP=ZE,ᡠÊNOCD+/PCE=90஺F16⚓/H50⚓

16ᑣOC_LPC,ᯠ½᪷ßᑗPḄᑨ¨¨ᳮᓽkᑮ.(3)ä00ḄÓ^r,0D=x,ᑣBD=2x,r=3x,᧕ykRtAOCDsRsOPC,᪷ßæç234Ḅឋ´kOC2=ODOP,ᓽ(3X)2=X(3X+9),Kèx,ᓽkᙊḄÓᳮkPC2=PD«PO=(PB+BD)«(PB+OB)=162,°±èPC,ᯠ½ᙠRtAOCP6᪷ß7ᑗḄ¨éᓽkᑮtan/PḄ.ூJK௃K(I)yÛ×Ø0C,.*.ZC0B=2ZCAB,|/POE=2NCAB..•.ZCOD=ZEOD,|OC=OE,.•.ZODC=ZODE=90°,ᓽCE±AB(2)yÛVCE-1AB,ZP=ZE,NP+/PCD=NE+NPCD=90°,XZOCD=ZE,ZOCD+ZPCD=ZPCO=90°,.PC00ḄᑗP(3)Kä஺஺ḄÓ^r,OD=x,ᑣBD=2x,r=3x,VCD±OP,OC±PC,RtAOCD^RtAOPC,.,.OC2=OD«OP,ᓽ(3x)2=x(3x+9),3Kêkx=-,29©஺0ḄÓr=—,2ᳮkPC2=PDP0=(PB+BD)•(PB+OB)=162,:.PC=9®,F17⚓/H50⚓

17ᙠRtZkOCP6tanZP=---=---.PC4¢⚪ὃ¥ᑗPḄᑨ¨òឋ´ஹᚖÓ¨ᳮஹôõ¨ᳮஹ┦323ᦪஹæç234Ḅᑨ¨òឋ´0÷K⚪ḄᐵøùúᩩèûU{PᮣýÁᵨᡠù÷Kÿ⚪᪀⚪..⚪(ᐳ1⚪ᑖ14ᑖ⚪14ᑖ)23.!Ḅ#$%&'!()*+,ᑖ!-.#$/0/012ᑖA,B,C,D89:.;᪷=>?@ABḄCDEFᑡ⚪H(1)JK*᪵ᐳ*+MNO!P(2)Q/012C:Ḅ!ᦪS⊡ᐰᩩWBX(3)YZᐳᨵ700O!;^_AZ!#$/012D:Ḅ!ᨵMNOP(4)Y'#$A:Ḅ2Oᵱ!2O᝕!()Ḅ*+2O!cZ᪥efghᕒḄjk;ᵨᑡ⊤nᡈp᪛%BḄnQᡠ*+Ḅ>sាuvwᵱ!Ḅᭆ᳛.ூ{|ᫀ௃(1)50X(2)16X(3)56(4)᪆ூᑖ᪆௃(1)ᵨ4:Ḅ⚣ᦪ◀ᡠᓰḄᑖᓽᑮ᪵JX(2)ᵨsᦪᑖ4Bஹ஺:ḄsᦪᑮC:Ḅsᦪᯠ⊡ᐰᩩWBX(3)ᵨ700஺:Ḅᑖ_AZ!#$/012D:Ḅ!ᦪX(4)p᪛%B12:$Ḅ12ᦪ*+Ḅ>sាuvwᵱ!Ḅ12ᦪᯠ᪷=ᭆ᳛Q.ூ௃(1)10-20%=50(O)HJK*᪵ᐳ*+50O!.(2)50-10-20-4=16(O)H/012C:Ḅ!ᨵ16O.BW@AB⊡ᐙ¥᦮᝞FBᡠH¨18⚓/50⚓

184ᦪ20181614121086424A(3)700x=56(O)50H_AZ!#$/012D:Ḅ!ᨵ56O.(4)p᪛%BHᵱᵱ᝕᝕/Nᵱ7ᵱᔠ᝕ᵱ᝕᝕ᵱ᝕᝕ᐳᨵ12:$Ḅ12ᦪᐸ*+Ḅ>sាuvwᵱ!Ḅ12ᦪ2,21ᡠ*+Ḅ>sាuvwᵱ!Ḅᭆ᳛=-==.126J⚪ὃ°ᑡ⊤n±᪛%BnHᑭᵨᑡ⊤nᡈ᪛%Bnᡠᨵ:$Ḅ12"'⌱µᔠ/ᡈBḄ12ᦪ·¸ᯠᑭᵨᭆ᳛A¹4ᡈBḄᭆ᳛.ºὃ°@AB.9.:;⚪(ᐳ1⚪ᑖ14ᑖ!⚪14ᑖ)24.AஹB>¼½¾¿À'ÁÂ330ᓟÄḄᵬஹÆ>ᙢÁᔣÉ.s(ᓟÄ)⊤½¾±ᵬᙢḄÂËt(ᑖ)⊤½¾.ÍḄÀÎ᝞BLi,L2ᑖ⊤>¼½¾Ḅs±tḄᐵÒ.(I)Li⊤Ô¼½¾ᑮᵬᙢḄÂ˱.ÍÀÎḄᐵÒP(2)½¾BḄÕÖwMNP(3)QLi,L2ᑖ⊤Ḅ>¼½¾Ḅs±tḄᐵÒ.(4)2À>¾ÁÂMNᓟÄP(5).ÍM×ÀÎAஹB>¾Á⍗P¨19⚓/50⚓

19Sᓟ=3>122406-180஺120°606-L1—o—o—o~~o>o60120180240tᑖூ{|ᫀ௃Ú1ÛLi⊤½¾BᑮᵬᙢḄÂ˱.ÍÀÎḄᐵÒXÚ2Û½¾BḄÕÖw1.5ᓟÄ/ᑖXÚ3Ûsi=-1.5t+330,s=t;Ú4Û2À>¾ÁÂ30ᓟÄXÚ5Û.Í132ᑖÞAஹB2>¾Á⍗.ூ௃0⚪ᑖ᪆H3Ûßà᪷=áᦪBkḄâᔣã⚪äåL⊤½¾8ᑮᵬᙢḄÂ˱.ÍÀÎḄᐵÒXÚ2ÛᵫLç60ᑖÞᜐéḄᙶ᪗åìãÀÎ'ÉQÕÖXÚ3ÛᐜᑖîáᦪᑭᵨáᦪBkçḄïåéðᵨñòÒᦪnQáᦪ᪆XÚ4ÛÚ3ÛáᦪBkQ=120ÀsḄócôᓽQXÚ5ÛQáᦪBkḄõéᙶ᪗ᓽQ.0⚪᪆HÚ1ÛáᦪBWå½¾8wᵫÆᙢö÷ᵬᙢᦑL⊤½¾BᑮᵬᙢḄÂ˱.ÍÀÎḄᐵÒXÚ2ÛÚ330-240Û-60=1.5ÚᓟÄ/ᑖÛXÚ3ÛîLS1=^+6,ûéÚ0,330Û,Ú60,240Ûüᐭk=—15,b—330.ᡠS]=-1.5/+330X.L2
Sz=k't,ûéÚ60,60Ûüᐭk'=1.ᡠ52='41=120,ᓰ=150,$2=120.330-150-120=60ᓟ;ᡠ260ᓟ5S[=$2,—1.5/+330=t,$%f=132.'20⚓/)50⚓

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—L2
—35ூR$௃ᑖ᪆1ᐜᵫtan/AEN=!,DC+CE=10V%WBE='AB,XᵫYᢚZᣚḄឋ]33%WNAEN=NEAN,ᡠVᐜ^BE=a,_`HWAB=3a,CE=2aa`HWaḄMHWBEḄbᓽV%WAB=6,CE=4.HWcADḄbᯠXᵫtanNAENCeḄᐵgHWh,ᑭᵨ☢KklH☢KL2
sin/EḄMᵨ9mnoHᓽV.R$ᵫᢚAVpMN8AEḄᚖrsᑖtL.AN=EN,.\ZEAN=ZAENuevuw1tanZAEN=tanZEAN==,3••^BE=a,AB=3a,ᑣCE=2a,VDC+CE=10,**.3a+2a=10,\a=2,BE=2,AB=6,CEM,**AE=5/4+36^—2VTo,'21⚓/)50⚓

21EG=LAE=—x2jl0=J1022MG1.----——,GE3"2+2=10AN=NE=—,3.110ஹ10••SAANE=—X—x2233EB23sinZE=NE105.3>7;8ᩖ⌕⚪✌ᐜ⌕ᳮ7ewḄᐵg᜜⚪Ꮇ^BE=a=ᐵὃ¡$rw¢w;Ḅnoᵫrw¢w;£pᐗ¥H¦pᐗ¥Ḅ§¨©⌕ᳮ$rw¢w;ewª«ḄᐵgᓽVH$.¬.$1⚪(ᐳ1⚪4ᑖ16ᑖ5⚪16ᑖ)26.£p¯ᱥty=ax?+ax+b(aWO)Crty=2x+mᨵ=kᐳ>M(1,0),²aDᙶ᪗(ᵨaḄ·ᦪl⊤º)L(2)rtC¯ᱥtḄ᜜=»>¼8N,H½DMNḄ☢KCaḄᐵglL(3)a=-lrty=-2xC¯ᱥtᙠ'¿À▲»Â>G,>GஹHᐵÂÃ>vÄÅ?tÆGHÇyÈᔣ0),GtÆGHC¯ᱥtᨵÍᨵÎḄkᐳ>ÏHt'22⚓/)50⚓

22ḄÐMÒ.927327ூ9O1ᫀ௃(1)b=-2a,⚔>DḄᙶ᪗8(-L,-—a)L(2)-----------------aL(3)2ᙶ᪗·ᐭ¯ᱥt$᪆lV%ᑮbCaḄᐵgVᵨa⊤ºW¯ᱥt$᪆l,ᓄ8⚔>lVH%ᐸ⚔>DḄᙶ᪗L(2)Ó>M(1,0)·ᐭrt$᪆lVᐜH%mḄMὶÙrtC¯ᱥt$᪆lÚÛy,V%ᑮᐵÂxḄ=ᐗ¿Ü:¨VH%=»>NḄᙶ᪗᪷ÞatḄMXOntÆ=ä>ᙠ¯ᱥt<tḄMV%tÆGHC¯ᱥtᨵÍᨵÎḄkᐳ>tḄÐMÒ.ூR$௃$(1)•.•¯ᱥtå=2*2+2*+1)ᨵ=kᐳ>M(1,0),.*.a+a+b=0,ᓽb=-2a,.,,-/1ஹ9a♦•y=ax~+ax+b=ax~~f~ax-2a=a(x+5)-4¿¯ᱥt⚔>DḄᙶ᪗8(4--—)L24(2)..,rty=2x+m>M(1,0),:.0=2x1+m,$%m=-2y=2x-2,y=2x-2ᑣ—2஺y—cix+ax—LCI%ax?+(a-2)x-2a+2=0,(x-1)(ax+2a-2)=0,2$%x=lᡈx=--2,a24•'•N>ᙶ᪗8(--2,—6),aaVa

23Aa<0,᝞71,^¯ᱥtvÄÈ»rtÂ>E,2a2E(--3),24VM(1,0),N(--2,--6),aa^ADMNḄ☢K8S,i2ஹ9aஹ27327♦.S=SADEN+SADEM=<|(--2)-1è--(-3)|=----------------a,2a44a8(3)a=-lτ9¯ᱥtḄ$᪆l8y=-x2-x+2=-(x+:)2+—,24y——x~—x+2ᵫF,y=-2x-x2-x+2=-2x,$%:X|=2,X2=-l»AG(-1,2),:>GஹHᐵÂÃ>vÄAH(1,-2),^rtGHsÊḄ$᪆l8y=-2x+t,-x2-x+2=-2x+t,x2-x-2+t=0,'24⚓/)50⚓

24½=l-4t-2=0,9t=—,4>HsÊìᙠ¯ᱥt<ᙶ᪗81,0,Ó1,0·ᐭy=-2x+t,t=2,9••tÆGHC¯ᱥtᨵÍᨵÎḄkᐳ>tḄÐMÒ2.<--ï⚪8¿ÜðᦪḄñᔠòᵨóôðᦪ7ÀḄ»>ஹ¿ÜðᦪḄឋ]ஹ᪷Ḅᑨõlஹ¢w;Ḅ☢Kupö.ᙠ1ᵫMḄᙶ᪗%ᑮbCaḄᐵg$⚪Ḅᐵᙠ2ὶÙðᦪ$᪆l%ᑮᐵÂxḄ=ᐗ¿Ü:¨$⚪Ḅᐵᙠ3H%GHC¯ᱥt=»>³»>Ḅᑖú>$⚪Ḅᐵï⚪ὃ¡pö>ûñᔠឋüýþᜧ.
25⚓/50⚓

252022-2023
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26⚓/50⚓

26bA.-iQicr~^~|D06.ᑡᐵUVᦪyX6x+10ḄZE[⚪]জ_x=0"Nᨵᨬ#c10dঝ஻ghiᦪ,x=3+j"ḄVᦪcᜧUx=3—஻"ḄVᦪc]ঞn஻>3,p஻᦮ᦪ_஻0,b>0,ᑣa<6.ᐸ}[⚪Ḅ~A.জB.ঝC.ঞD.@ஹ⚪]#⚪3ᑖ30ᑖ7.ᙢᳫ□#"Ḅg110000ᓟ110000ᵨᦪ⊤9g_.8.ᑖ]x2y-4y=____.9.]V9-V8-V2=.10.nᐵUxḄXᐗ¡+4x+a=0ᨵDE¢FḄᦪ᪷ᑣ“Ḅc.11.4¥9¦ᵨ§¨©ª§ᢗ¬X4┑Ḅ*¯Ḅ°±.ªḼ¯ᦪḄ³z“┑´ᔣ¶”Ḅ⚣᳛ᙠXºᦪ▬¼᤮¥9¾X¿ḄÀ¿ឋÂÃÄ“┑´ᔣ¶”Ḅᭆ᳛12.᝞4GÆ஺஻6஻஺GÆ4ஹ4È<Éᩩ/ËÆᑖÌÍUyAஹBஹC@y஺ஹEஹF

2714.ᙊ┵Ø☢ÙÚ4■EÜHg6cmஹᙊßàg240°ḄᡧNᑣâᙊ┵Ḅãg15.ᵨ4NäᓄḄ¡Ẇçᑡè⚪:᝞4AB0()ḄGHCD,EF஺OḄípAB஻CD஻EF,AB=10,CD=6,EF=8.ᑣ4▢ïðᑖḄ☢Ö.16.᝞4N8_LyòᚖôgBAABOyA⌮"┐÷ᑮ᪷ù஺ḄAúûyBḄüýy5,þᙠGÆÿ=@A
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28KL4ᕒᑖNᩩPQRBB(1)Kr6Ḅwᑁᑮb:`aḄhᦪὁhhᦪ.(2)K`ahᕒᡧr6}O“ᐸ”hᕒ⚗ᡠᡧḄᙊᦪᩩr6}⊡ᐙ᦮.(3)᪷
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38/86=90஺,®1]DG=,jcG2-CD2=V102-62=8&¯#E0=8,.DG=EF,.°஺6=°EF,••SYZODG=S±O£0,■:AB//CD//EF,,•SAOCO=SA40,SAO£70S“£0&125.,_.25?S▢=Sᵨ஺e+S[ZOEWSᡧ஺CO+Sᡧ஺²G=Saᙌ5■ᐔµ52=¶·,ᦑOᫀ#—n.ST:U⚪ὃZᡧ☢Ḅ¸¹&ᙊᕜ_7ᳮ&U⚪º»¼½▢ᑖ☢cdḄὶfi/⚪Ḅᐵh.16.᝞]&NBLy¿&ᚖÁB,ÂAABOÃSA⌮Å┐ÇÈᑮḄÊË&ÌSBḄÍÎSB,Ïᙠy=$xÑ&2ÂAzfÒQÃSB1⌮Å┐ÇÈᑮWḄÊË,ÌS0,ḄÍÎSQÏᙠ¡¡=-*xÑ&ÓÔpq|Õ……×SBḄᙶ᪗i(0&1),ᑣSḄÚᙶூ

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