2022-2023学年广东省汕头市九年级（上）开学数学试卷（附答案详解）

《2022-2023学年广东省汕头市九年级（上）开学数学试卷（附答案详解）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

2022-2023
ḕᜮ
ᦪᔁ1.ᑡᐵXḄ!ᐗ#$ḄA.%4-2y=1B.%24-%—1=%2C*+|=8D.x2-5x=2.5ᑡ67Ḅ89:;<=>᪀ᡂABCBDḄA.2ஹ3ஹ4B.1ஹ1ஹᡈC.3ஹ4ஹ5D.5ஹ12ஹ133.ᑡ᪷JKᨬM#$᪷JḄA.Va2+1B.VO.lC.V8D64.ᑡSTUVḄA.2+V6=2V2B.V6-V2=2C.V2xV6=2>/3D.V6+>/2=35.!Zᦪ[1,1,3,2,2,1Ḅ]ᦪA.3B.1.5C.2D.16.^D4BC஺Ḅ`ᩩbB84c=8cm,BD=6cm,ef^DḄ;6A.6cmB.5cmC.4cmD.8cm7.ᵬஹiஹjஹklmnopq⌱s

1A.(202073,2020)B.(4040Á,4040)C.(42020-V3,42020)D.(22020-V3,22020)11.J(-59=.12.´CBDC;6ᑖ6,8,10,ᑣ¼CBDḄ☢Ä:.13.᝞

2D.21.᝞<´!$ᦪy=kx+bḄ¢£4(—2,-1),B(l,3)`§<⪦x§C,¦y§஺.(1)ßã!$ᦪḄÍ᪆J·(2)ßAAOBḄ☢Ä.22.ᙠ!$ᜧå!
æåçèéêçè<ëìZḄᡂ|᝞⊤:îᦪ6789ᦪ1531(1)ãìZéêᦪ[Ḅ]ᦪmᦪ;(2)ßãìZḄzᙳᡂ|·(3)Ç8î(ð8î)5:noés<ᙠ1200ñæåᨵóôõ5ö:noés÷23.ëᖪùSᑜûüA,8`ýæþ⁚
ᐳ100
Ḅஹ᝞⊤ᡠ:(ᐗ/)(ᐗ/)A304585070(1)ᖪ⚜!3500ᐗᑣ
ᔜ$%&'(2)ᖪ()5
Ḅᦪ+,-.A
ᦪ+Ḅ3/01᪵34ᖪᙠ├7ᢇ
9:ᑭᨬ%'=9ᑭ>!%&ᐗ'24.᝞@ABAB!y=kx+6,஺(8,0),D஺ᐵFABABḄGHDCᙠABADI.(1)JAB4஺ḄK᪆M.(2)JDCḄᙶ᪗.(3)OCPABFDE,ᙠBQIRᔲTᙠUDF,4VABCXV4EFḄ☢Z[\'T

3ᙠJ]FDᙶ᪗,Tᙠ^_`ᳮᵫ.25.▅dᳮKeᙠf☢Agᙶ᪗hijkD2(xi%),F(x,y),ᑣজA8DḄmn=22^x-xy+(y-yy-,ঝBQABḄiDᙶ᪗!(qq).1212Krs⚪e᝞@fuvwxA8COiDBᙠxyz{yIDOᙠ|U}▲A,CDḄᙶ᪗ᑖ!(0,4),(3,0),wAOḄ!6.(1)DPRAB4஺IUDPO+PCᨬ9JDPḄᙶ᪗PO+PCḄᨬ(2)AB/ey=kx+b.D(0,—2),fuvwA8CDᑖᡂ☢Z[\ḄᑖJAB/ḄK᪆M(3)DNᙠf☢Agᙶ᪗hᑁᙠxyIRᔲTᙠDF,4AஹCஹFஹN!⚔DḄvwx!x'Tᙠ^Aᑏ]DḄᙶ᪗,Tᙠ^_`ᳮᵫ.

4ᫀK᪆1.ூᫀ௃DூK᪆௃Ke4RᐗUᦑ¢⌱⚗,ᔠ⚪k¦ᓄ¨©ªX-1=0,RUᐗUᦑ=⌱⚗,«ᔠ⚪kC.RᑖMᦑ¢⌱⚗,ᔠ⚪k஺ஹRUᐗᦑ¢⌱⚗«ᔠ⚪kᦑ⌱eD.᪷®¯ᨵU±²ᦪ³²ᦪḄᨬ´ᦪR2Ḅ᦮M¶Uᐗuᑖ᪆ᓽª.=⚪¸⌕ὃ»¼UᐗḄ)½K⚪Ḅᐵ¾R¿ÀᑨÂU±RᔲRUᐗ0ÃkᢕÅ5±☢e“ᓄ¨©”“U±²ᦪ”“²ᦪḄᨬ´ᦪR2”“⚗Ḅhᦪ,\F0"“᦮M”.2.ூᫀ௃AூK᪆௃Ke:22+32=4+9=13^16=42,ᦑ⌱⚗AiÈᩩBQ,᪀ᡂAgÈgx•••I2+I2=1+1=2=ËᡈÍ2,ᦑ⌱⚗BiÈᩩBQ᪀ᡂAgÈgx••32+42=9+16=25=52,ᦑ⌱⚗CiÈᩩBQ᪀ᡂAgÈgxv52+122=25+144=225=152,ᦑ⌱⚗DiÈᩩBQ᪀ᡂAgÈgxᦑ⌱eA.᪷ÎÏ)ᳮḄ⌮)ᳮªᑨÂᔜ±⌱⚗iḄÈᩩBQRᔲª᪀ᡂAgÈgxÑÒªK¢⚪.¢⚪ὃ»ÎÏ)ᳮḄ⌮)ᳮK¢⚪Ḅᐵ¾R`Ó⚪kᑭᵨÎÏ)ᳮḄ⌮)ᳮK.3.ூᫀ௃AூK᪆௃KeAஹÕM!ᨬ¨᪷M«ᔠ⚪kBஹÕM=Ö=ᘊ,«ᔠ⚪kCஹÕM=2ᡈ,«ᔠ⚪kDஹÕM=Ø,«ᔠ⚪k.ᦑ⌱eA.ᑭᵨᨬ¨᪷M)½ᑨÂᓽª.=⚪ὃ»¼ᨬ¨᪷MÙÚ¿Àᨬ¨᪷MḄ)½RK¢⚪Ḅᐵ¾.

54.ூᫀ௃CூK᪆௃KeAஹ2+àáâãᦑ=⌱⚗┯åBஹV6-V2,áâãᦑ=⌱⚗┯åCஹV2xV6=2V3,ìÓDஹV6-V2=V3,áâãᦑ=⌱⚗┯åᦑ⌱eC.Aᑭᵨ᪷MḄíᔠîãâᑣã]ᫀ.=⚪¸⌕ὃ»¼᪷MḄíᔠîãìÓᓄ¨᪷MRK⚪ᐵ¾.5.ூᫀ௃DூK᪆௃Ke•••1]ò¼3]òḄᦪᨬ%•••óᦪR1.ᦑ⌱eD.᪷óᦪḄ)½ᓽª]ᫀ.=⚪ὃ»¼óᦪóᦪRUôᦪi]òᦪᨬ%ḄᦪÃkeóᦪ,õU±.6.ூᫀ௃BூK᪆௃Kevwx48coRx■•■AC1BD,BO=0D==gX6=3(cm),AO=OC=^AC=x8=4(cm),•••AB=y/AO2+BO2=5(cm),ᦑ⌱B.ᵫᚖᑖAC1BD,BO=4cm,AO=3cm,ᯠ#ᵫ$%&ᳮ()*+,(-ᫀ.0⚪ὃ34Ḅឋ789$%&ᳮ.0⚪:;<ᜧ>?@AᦪCᔠEFḄGᵨ.7.ூ-ᫀ௃BூL᪆௃L•••OPᡂRḄSTᑖUV0.020ஹ0.019ஹ0.021ஹ0.022,0.019<0.020<0.021<0.022,\ḄSTᨬ^•._`abcᢵᨬe&ḄV\ᦑ⌱B.᪷gSTḄ?h(Lᓽ.j⚪k⌕ὃ3STḄ?hSTVm᧜opᦪgḄqrᜧ^Ḅost.STuᜧᑣᙳxḄy

6ᦣ{;uᜧe&ឋ|uTm}ᑣ~ᐸᙳxḄyᦣ{;u^e&ឋu.8.ூ-ᫀ௃DூL᪆௃ூᑖ᪆௃j⚪ὃ3ḄVoᦪḄឋ7oᦪḄឋ9ᙶ᪗Ḅᙶ᪗VL-0⚪Ḅᐵ.᪷goᦪḄឋ7ᔜ⌱⚗⌲oᑨᓽ.ூL-௃L4ஹoᦪy=x+6bk=l>0,.•.ᦪxtᜧ,ᜧᦑA⌱⚗8;oᦪy=x+6xஹyḄᙶ᪗ᑖU(o6,0),(0,6),.•.0ᦪxᡠᡂ;Ḅᑗx==1,.•.ᦪxSᔣᡂ45஺ᦑB⌱⚗C:-•oᦪy=x+6bk=1>0,b=6>0,.•.ᦪ£¤oஹ¥ஹ¦▲ᦑC⌱⚗•¨y=0,ᑣx=-6,.•.oᦪy=x+6xḄᙶ᪗(o6,0),ᦑ஺⌱⚗┯ª.ᦑ⌱D.9.ூ-ᫀ௃CூL᪆௃Lᓄ¬(a+b)2=c2+2ab,஺2+ᙽ=©2ᡠ8¦V¦ᦑ⌱C.°±᦮ᳮ³ᑨᐸ´.j⚪ὃ34¦Ḅᑨ&ᵨ$%&ᳮḄ⌮&ᳮᑨ&.10.ூ-ᫀ௃CூL᪆௃L•••/y=yx,.•"XḄᜳ30஺•,,஻8஺=30°,•OA=1,.•AB=V3,8(º1),vAB1I,r:.Z-ABA=60°,X•AA=3,r••4(0,4),»y=4¼ᐭy=^x,(x=4¾

7•••8±4¾,4)¿ᳮ82(166,16),6020(42020-V3,42020).2ᦑ⌱C.᪷gᡠÃL᪆±/xḄᜳ,᪷gᡠÃᩩÅÆᑮ8%Ḅᙶ᪗ɤGÊËᑮ82020ᙶ᪗ᓽ.0⚪ὃ3ḄVoᦪÌᔠ⚪ᐜ᪷gᡠÃoᦪᑨÎoᦪXᜳVLÐj⚪ḄÑẚ᪷gÓ30஺Ḅ¦ḄᱯÆᑮ8ஹ/ஹÕ2ஹÖ…ḄḄᙶ᪗VLÐj⚪Ḅᐵ•11.ூ-ᫀ௃5ூL᪆௃Lر=#=5.ᦑ-ᫀ5.᪷g¥᪷±ḄÙjឋ7L-ᓽ.j⚪ὃ3ḄV¥᪷±Ḅឋ7ᓄ¬¥᪷±ḄÙjឋ7VL-0⚪Ḅᐵ.12.ூ-ᫀ௃24ூL᪆௃LÚ62+82=102,ᡠ80¦¦Û)Ḅ)*ᑖU6ஹ8,Ü)10,ᡠ80¦Ḅ☢Þ!x6x8=24.ᦑ-ᫀ:24.᪷g¦¦)*ᑭᵨ$%&ᳮ⌮&ᳮ(â0¦V¦ᯠ#ᓽ(☢Þ.0⚪k⌕ὃ3ãä$%&ᳮ⌮&ᳮḄᳮLå@AL-0⚪ḄᐵVᑭᵨ$%&ᳮ⌮&ᳮ(â0¦V¦.13.ூ-ᫀ௃30ூL᪆௃LḄᕜ*V15,DE+DF+EF=15,■:DEஹDFஹEFᑖUVA4BCḄbêBC=2DE,AC=2DF,AB=2EF,•••ëABCḄᕜ*=BC+AC+AB=2(DE+DF+EF)=30(cm),ᦑ-ᫀ30.᪷g¦Ḅᕜ*ì±ஹ¦bê&ᳮL-ᓽ.j⚪ὃ3ḄV¦bê&ᳮ@A¦Ḅbêíî¦)ï°íî¦)ḄoðVL

8⚪Ḅᐵ.14.ூ-ᫀ௃1ூL᪆௃Lᵫ⚪?|zn|=1ïm+1¥0,Lm=1,ᦑ-ᫀ1.᪷goᦪ&h|ᑘ=1,ïm+lKO,³Lᓽ.0⚪k⌕ὃ34oᦪ&hᐵV@AoᦪL᪆±y=kx+bḄC᪀ᱯôk0)tḄᦪ1õᦪ⚗ᓃ8÷?øᦪ.15.ூ-ᫀ௃y=2%+10ூL᪆௃L:oᦪy=kx+b
y=2x+1••k=2,ù••,ᦪ£¤(o3,4)•1•4=-6+b,Lb=10¥ᦪḄ⊤û±y=2x+10.᪷goᦪy=2x+l(ᡃḄx³»(-3,4)¼ᐭᓽ(oᦪḄL᪆±.j⚪ὃ34ý&þᦪÿ
ᦪḄ᪆ᓫ⌕.16.ூᫀ௃2ூ᪆௃=3ᐭ"#$9-3m-3=0,$m=2.ᦑᫀ&2.᪷(x=3)*+"#Ḅx=3ᐭ"#ᓽ-.mḄ/.0⚪ὃ34
ᐗ6"#Ḅ.⚪Ḅᐵ8)
ᐗ6"#ḄḄ9:;<
ᐗ6"#=>?@ABḄC+ᦪḄ/)
ᐗ6"#Ḅ.17.ூᫀ௃15+3V5ூ᪆௃DEF14CEF,᝞Gᵫ⚪I$4EJᑖ484C,••,N@OABCD)PO6NB=90°,BC=AD=8,.AC=>/AB2+BC2=V62+82=10,

9EBLAB,MEJᑖN84C,.•EF—EB,ᙠRtAAEFRRtAAEBSPf=IEF—EB•Rt*AEF=/?CAAEB(HL),•.AF=AB=6,$-CF=AC-AF=41TEF=EB=x,WlJCE=8-x,ᙠRCU(:£•/SᵫZ[9ᳮ$x2+42=(8-x)2,$%=3,••BE=3,:ஹCE—5,•.AE=7AB2+BE?=3V5,U4ECḄᕜ_&15+3V5,ᦑᫀ&15+3`.DEF14CEF,ᵫ⚪I$AEJᑖNB4C,aRtUAEFbRtUAEBQHL),$.4c=AB=6,CF=AC-AF-=4,TEF=EB=x,ᑣCE=8-,ᙠRtACEFSᵫZ[9ᳮ$."#"#$.EF=3,ᵫbeOᕜ_fᓽ-$.ᫀ.0⚪ὃ34DG-h0DGPOḄឋjஹeJᑖlḄឋjஹᐰBbeOḄᑨ9oឋjpqZ[9ᳮB+rsᐰBbeOḄᑨ9oឋjᵫZ[9ᳮ$."#)⚪Ḅᐵ8.18.ூᫀ௃t=2>/3—(V3—1)—1+2=2V3-V3+l-l+2-y/3+2.ூ᪆௃uvᑭᵨyᢣᦪhḄឋjpq6᪷Ḅឋjஹ{|/Ḅឋjஹ}᦮ᦪᢣᦪhḄឋjᑖᓄ$.ᫀ.⚪⌕ὃ34ᦪḄᓄᔜᦪ)⚪ᐵ8.19•ூᫀ௃+-+_]-%+1_1
(%+l)(x-1)<(%_1)2-%+11(x-1)21=--------------------X-----------------------(X+1)(%—1)%+1%+1

10x—11~(x+l)2~x+12

(%+1X=V3-1------J=2=-|.(x+l)z(V3-l+l)z3ூ᪆௃ᐜ|ᑖᑖᑖ◀¡ᑖᓄᡂ£O¤ᓄ/.0⚪ὃ34¥|ᑖ¦ᔠ;¨©ªᩖ¬⚪#S⌕®¯¦ᔠឋ°.20.ூᫀ௃(1)a±ᙠJN@OABCDSAD=CB,5LAD//BC,•Z,DAE=BCF,••DE1AC,BF1AC./.DEA=Z.BFC=90°,ᙠU4EDRaCFBS/.DEA=BFCZ-DAE=/-BCF,AD=BC(2)ᙠRtZk/OES^LDAE=35°,Z-DEA=C=90°,²4DE=90°-4ZME=55°,•CBF=Z.ADE=55°.ூ᪆௃(1)ᑭᵨJN@OḄឋj$./D=BC,^DAE=^BCA,ᑭᵨᐰBbeOḄᑨ9$.ᓽ-s(2)ᙠRCUADES᪷(4ME=35°,Z.DEA=C=90°$ᑮ²4DE=90°-Z-DAE=55°,ᯠµ᪷(LAED^LCFB,$4C8”=440E=55°.ὃ34JN@OḄឋjqᐰBbeOḄᑨ9oឋj$.UADE^LCBF)⚪ᐵ8.21.ூᫀ௃(1)4(
2,—1),8(1,3)ᐭஹ=/6%+ᓃ$(-2k+b=-1·+b=3f,4k—QmlIb=^\3ᡠp
ᦪ᪆&y=+|s(2)=0ᐭy=[%+1$y=I

11ᡠp஺¼ᙶ᪗&(0,|),ᡠpU?10BḄ☢Ä=SAAOD+SXBOD1515=Å:/2+Æ:/1_5=2,ூ᪆௃0⚪ὃ34Ç9Èᦪ
ᦪ᪆beOḄ☢Ä.Ç9ÈᦪḄ
ÉÊË)জᐜT.ᦪḄ
ÉO᝞
ᦪḄ᪆ᐜTy=kx+bsঝÑÒÓxḄ/qoÔ|ÕḄᦪ/yḄ/ᐭᡠTḄ᪆$ᑮᐵEÇ9ÈᦪḄ"#ᡈ"#×;ঞ"#ᡈ"#×.Ç9ÈᦪḄ/.ᦪ᪆.(1)ᐜ4¼R¼BḄᙶ᪗ᐭy=kx+b$ᑮᐵE&ஹbḄ"#×"#×$ᑮfbḄ/Û$ᑮ
ᦪḄ᪆(2)ᐜ9஺¼ᙶ᪗ᯠµ᪷(beO☢ÄfRUAOBḄ☢Ä=S4AOD+SABOD.22.ூᫀ௃77ூ᪆1(I)ஹ•àá7âᦪḄãᦪᨵ5æãᦪᨬè6éê×àáᦪ(Ḅëᦪ)7sᐳ10ãSíᦪ&î5Rî6ãḄJᙳᦪᓽ©=7,ᦑᫀ&7,7s(2)éê×ḄJᙳᡂñ&^(64-7x5+8x3+9)=7.4(â)s(3)᪷(⚪I$4.1200x^=480(õ)ᙠ1200õö¥Sᨵ480õ-p÷&øùàú.(1)᪷(ëᦪRSíᦪḄ9:ᓽ-$.ᫀs(2)᪷(JᙳᦪḄfᓽ-s(3)ᵨ1200£pøù⌱úᡠᓰḄýᑖᓽ-$.ᫀ.⚪ὃ34ëᦪஹJᙳᦪRᵨ᪵0ÿ
ᦪḄஹᵨ᪵
ᙳᦪḄ⚪Ḅᐵ.23.ூᫀ௃"#(1)'ᖪ)*+,A./0x2ᑣB./05(100-82,᪷;⚪<=30x+50(100-x)=3500,"=x=75,

12ᡠC100-75=25,#*+,A./0752B./0252D(2)'ᖪ)├FGHᢇ/0JKᑭyᐗᑣy=(45-30)x+(70-50)(100-x),=15%+2000—20%,=-5x+2000,ᓽy=-5x+2000,•8./0Ḅ,OᦪPQRSA./0ᦪPḄ3T•100—x<3%,:.x>25,••k=-5<0,yUxḄVᜧXYZ••x=25[y\=ᨬᜧ^5—5x25+2000=1875(ᐗ)#ᖪ)+,A./0252B./0752├FGHᢇ/0[Kᑭᨬ_`[ᑭa51875ᐗ.ூ"᪆௃(1)'ᖪ)*+,A./0x2⊤de8./05(100-82ᯠg᪷;,Oh=4./0Ḅ,Oh+B./0Ḅ,Ohᑡejkl"ᓽJD(2)'ᖪ)├FGHᢇ/0JKᑭyᐗ᪷;Kᑭmnop/0ḄKᑭ
ᑡ᦮ᳮslexḄ\^uᯠg᪷;vwxᦪḄVYឋleKᑭḄᨬᜧ^.⚪ὃ{|vwxᦪḄ*ᵨ}⌕ᑭᵨ|vwxᦪḄVYឋ(2)⚪ᳮ⚪ᦪPᐵᑡlexḄ\^u"⚪Ḅᐵ.24.ூᫀ௃"#(1)y=kx+6,•••(0,6),•••0(8,0),'ADḄ"᪆5y=k'x+6,8k'+6=0,"=,=v3,ADḄ"᪆5y=—+6D(2)ᙠRt40஺AD=y/OA2+OD2=10,•0ஹCᐵnAB.♦.'OB=BC=a,OA=AC=6,•••CD=AD-AC=4,BD=8—a,ᙠRtABCDa2+42=(8-a)2,

13•Q=3,8(3,0),•CᙠA஺•••'C(%,-*%+6),vOELAB,OA1OB,•Z.OAB=COB,•tanZ.OAB=tanz.COB,.~lx+6-3••------T,X6•♦
44EFḄ☢m,BEC
ECFḄ☢m,•••BF//OC,•••)OCḄ"᪆5y=gx,1X+n'3Ḅ"᪆5y-28(3,0)ᙠ8.BFḄ"᪆5y=ὶ2%—|=+6,•x=6,3••

14ூ"᪆௃(1)le(0,6),ᯠgᵨᦪᓽJl"᪆D(2)ᑭᵨᢚ¢Ḅឋ£C¤¥¦ᳮleBḄᙶ᪗'C(x,-*x+6),ᵫ4OAB=4COB,ᑭᵨ®¯°xᦪ^lex,ᓽJ=CḄᙶ᪗D(3)ᵫ☢mJ±²eBF஻OC,le¦Ḅ"᪆5y=?-1,ὶjkᓽJl/ᙶ᪗.⚪vwxᦪ¸ᔠ⚪ὃ{|ᦪºḄឋ£¥¦ᳮ┦¯®¯xᦪm¼½ᑭᵨᦪ°¾ᔠ¿À"ÁÂ⚪"⚪Ḅᐵ.25.ூᫀ௃"#(1)'஺ᐵnAOḄ5°,ÄÅCQÇADnÄÅOP,᝞Ë#•••4(0,4),(2(0,8),PO=PQ,vC(3,0),(8,QCḄ"᪆5y=-|x+8,Ïy=4[4=-1x+8,"=Ð=|3PO+PCḄᨬZ^=PQ+PC=QC=7(0-3)2+(8-0)2=79+64=V73D(2)'ACÒBOÇnE,ᵫÔÕÖ°ḄឋJ¼/×ÔÕÖABC஺ᑖᡂ☢mḄoÚᑖᑣ/ÛSE,᝞Ë#

15y)FD3/ஹ/:/B~o\7cᙠÔÕÖ°ABC஺EA=EC,■4(0,4)C(3,0),•••EḄᙶ᪗5(|,2),'lḄ"᪆5y=mx+n(mM0),ᑣஹ7n+n=2In=—2(_8"=#7n=§,In=-2•./Ḅ"᪆5y=gx—2D(3)ãᙠᳮᵫ᝞ä#জ•••4(0,4),C(3,0),•AC=5,AFi(8,0),F(-2,0),2Ï3Ò8çᔠ[᝞Ë:

16\/`[4C=4&SB(F3)éACÔSCé48(?3)ḄÔoÔÇnN3,`[ÕÖ°4F3N3c5ê°••&TO),ঝCAC5¯[᝞Ë#'`[ì(t,0),ᵫ4í=஺⁐J=#Vt2+42=|3-t|,"=t=-&O7•,•ï(-(0)¸ᡠðCAஹCஹFஹN5⚔ḄÕÖ°5ê°Ḅᙶ᪗5(8,0)ᡈ(-2,0)ᡈ(-3,0)ᡈ(-,0).ூ"᪆௃(1)''×ôõö”ø.#'OᐵnAQḄ5஺ÄÅCQÇAOnP,ÄÅOP,leQCḄ"᪆5y=-gx+8,ᓽ=P(|,4),P஺+PCḄᨬZ^=QC=gD(2)'ACÒBDÇnE,ᑣ/ÛSE,ᵫ4(0,4)C(3,0),=EḄᙶ᪗5(|,2),ᵨᦪᓽJl=/Ḅ"᪆5y=|x-2D(3)ᑖùúeËû#জCAC5Ö[J=CF[=CF2=4C=5,ᓽ=ü(8,0),F(-2,0),ÏF3Ò28çᔠ[ÕÖ°AF3N3c5ê°J=3(-3,0)DঝCAC5¯['`[ý(t,0),ᵫ=J=#Vt2+42=|3-t|,ᓽJleᐭ(v0).⚪ὃ{ÔÕÖ°ឋ£¤*ᵨÿ
ᦪᦪஹ“”⚪⚪Ḅᐵᑖ!ᦪ!"ᔠ$⚪.