福建省泉州市某中学2022-2023学年数学八上期末复习检测模拟试题含解析

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2022-2023
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12A.2OOC.----------hτ>D.---------i_i_τ----->~20-104.᝞l)ᙠaABCS)mACḄᚖnoᑖpqmABrsD,t

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,sCᙠmAB)Y.=.)sCB3D[OBḄSs)sP[mOAḄs)sPᙠOA)xmPDBC9.ᑡijḄT
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/+£h+1=஺ᨵ¥¦᪷)ᑣkḄ§¨ªT-1)ᑁ®[1800²)ᑣ·¬mḄmᦪT11ᡈ11.

2A.জঞB.জঝঞC.ঝটD.ঝঞট10.UV,᝞l,4ABCTam¹®,AE=CD,BQADrQ,BEqADrsP,ᑡ:জNAPE=NC,ঝAQ=BQ,ঞBP=2PQ,টAE+BD=AB,ᐸSijḄᦪᨵKO.A.4B.3C.2D.15ஹ¼⚪KLM⚪3ᑖ)ᐳ24ᑖOr2-l11.^ᑖbḄ¨[0,ᑣ¦ᦪxḄ¨[.5x—512.^sAl-x,5
,B3,y
ᐵryf½)ᑣx+y=.13.᝞l)UVBEoᑖNABC,BE஻DC,^NA6C=5O஺)ᑣNCḄ²ᦪT14.᝞l)UVN1=N2,¾¿ÀÁ.ᩩ,xÂAABDgZkACD.KÀ.ᓽÄO15.᝞l)ᦪfsAஹBÅḄᦪᑖÆT1,2,ÇsB*PQLAB,ÈsB[ᙊÊ,ABX[ËÌ*ᙊÍ)qPQrsC,È·sO[ᙊÊ)OCX[ËÌÎÍ)qᦪfrsM,sMᙠsBḄÏÐ)sMÅḄᦪT.

3x-2W—x+4য^ᦪmxᐵrxḄ`abQ7.iᨵYÒᨵ᦮ᦪd)YxᐵrxḄ>77Xᑖb^——1=ᨵÖ×ᦪd)ᑣᡠᨵØ]ᩩḄ᦮ᦪmḄ¨ÙT_______.2-xx-217.?.Ûn®¹®Ü᝞l@)xÝ30஺®Ḅ¹®ÜḄn®mÝ45஺®Ḅ¹®ÜḄ.ᩩn®mÞᔠ)ᑣN1Ḅ²ᦪ[________².18.^4o2+/>2-4+2=0,ᑣab=.¹ஹd⚪Kᐳ66ᑖO19.10ᑖO1
᝞l1
ᙠ“8CS)NA4c=90஺)AB=AC,npßàÇsA,np)”CEJLnpâ,ᚖ]ᑖÆ[s஺ஹE.ãäåDE=BD+CE2
᝞l2
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SḄᩩᦋ[åᙠAA5CS)AB=AC,஺ஹAஹE¹sçᙠnpÁ)èYᨵN8ZM=NAEC=NR4C=a,ᐸSa[é┦®ᡈë®.¾ì<íOE=8O+CETᔲᡂðñ᝞ᡂð)¾òóäô4^`ᡂð)¾ôᳮᵫ.20.6ᑖO᝞l)ᙠAABCS)஺TBCḄ.s)^AB=1O,BD=6,AD=8,AC=17,ãAABCḄ☢.÷ᱛù/ᙊḄnÌ[2.6cm,/úmḄX[4cm,᝞l)û⌕ᑴ*XýḄᱛùþ)ᱛùþú☢Ti)ᙠÿ
ஹஹஹᑴḄᱛḄ᪵ᔠ⌕.Ḅ☢!"Ḅ#$%&ᑴḄ#$᝞(⊤*ᑴὅ!"Ḅ#2cm2.6cm3cm3.4cm$

4(1)-4./ᑴḄ012(-3ᱛᔩ5(7al.42)(2)89ᱛᔆḄᔆ$;⁚=ᩞᧇ@!ABCᱛḄDᩭF9GHIḄᑴJᔠᳮ5LMᳮᵫ.2.6cm4cm22.(8ᑖ)ᵞᑮᦻᐹUVWXᦻᐹ.Y9᪷[᝞\]Ḅ^_`a]ឋcdcefḄᓫhᑖijkᐗ5□ᡊsᡃ⌕X12^ᕀᐵ]ឋ20ffᐳ112ᚍ“…pᡃr7.s^Ḅtᡃuvw]ឋxdyefḄᓫz{|}23.(8ᑖ)᝞\ᙠAABC]AB=4,8C=8,4CḄᚖᑖACO,BCE,CE=3,AE.(1)*AA5EDwD";(2)AACEḄ☢.24.(8ᑖ)᝞\#4ABC]ADNBACḄDᑖEHADBEH#ᙠBE(!#BEF,CF.

5AপAE=CF(2)NACFḄᦪ.25.(10ᑖ)ᙠ☢ᙶ᪗xOy/iy=Aix+6xஹyᑖAஹB!08=6஺4,£y=A2X+Z»%&C((1),xஹyஹ(2)᝞*1,+,C5,-CZ)A5.஺Ḅᙶ᪗/0ᔧ஺Ḅ☢23(3)᝞*2,-Oᙠ48456.ᙠᙶ᪗47ᔲ9ᙠQ,:AQC஺7;C஺<=>Ḅ?ῪABCD9ᙠE,ᑏG஺Ḅᙶ᪗DH9ᙠEIJᳮᵫ.26.(10ᑖ)᝞*MN7=O+6%&A(4,2),xyᑖ5ஹC.(1)8Ḅᙶ᪗3(2)A0ACḄ☢2.

6ὃᫀQஹ⌱S⚪UV0⚪3ᑖᐳ30ᑖ
1ஹBூᑖ᪆௃[\]ᦪ^_0ᑮᜧbc᣸ᑡf<-2ஹ0ஹ1ஹ3ஹ4ᨬhḄijᦪ1ᓽlᦪ.ூmn௃n[\]ᦪ^_0ᑮᜧbc᣸ᑡf<-2ஹ0ஹ1ஹ3ஹ4ᨬhḄijᦪ1ᓽlᦪ.ᦑ⌱Bூp௃q⚪ὃslᦪḄtulᦪ7[Q]ᦪ^_0ᑮᜧUᡈ_ᜧᑮ0
bc᣸ᑡfᨬhḄijᦪUᡈᨬhjᦪḄᙳᦪ
xy\]ᦪ^Ḅlᦪ.2ஹBூᑖ᪆௃᪷^AᔠQ|G}᪷^jABḄᕜGḄ.ூmn௃n'
AB=AC,S.ADLBC,
.BD=DC=—BC,2AB+BC+AC=2AB+2BD=24,
.AB+BD=12,:.AB+BD+AD=12+AZ
=20,nAO=1.ᦑ⌱B.q⚪ὃs?ῪABḄឋy⚪.[MN/ᡠὶᩭMNᮣ5ᵨ_|Gᡠ.3ஹBூᑖ᪆௃ᐜnH?}ᔠᦪᑨᓽ.ூmn௃n2x+l>3+3

72x-3x>3-1,nx<-2,ᦑ⌱B.ூp௃q⚪ὃsQᐗQH?Ḅn;ᙠᦪ4Ḅ⊤¡n7ᐵ£.4ஹBூn᪆௃᪷^¤ᚖᑖḄឋᑮDA=DC,᪷^?ῪABḄឋᑮZDCA=ZA,᪷^ABḄ᜜Ḅឋ§¨ᓽ.ூmn௃TDE7¤ACḄᚖᑖ.\DA=DC,.,.ZDCA=ZA=50°,.ZBDC=ZDCA+ZA=100°,ᦑ©ᫀ⌱B.ூp௃q⚪ὃsḄN«7¤ᚖᑖḄឋ,n⚪Ḅᐵ£7Ḅ¡¤ᚖᑖḄឋ.5ஹAூᑖ᪆௃᪷^*BḄ®u⌲⚗ᑖ᪆ᓽQj*BḄQ±ᑖ²ḼQᩩᢚf±ᑖ¶·¸ᐰbᔠiº\j*B»xy*B\ᩩxy.ூmn௃A.ᨵ3ᩩ3B.ᨵ1ᩩ3C.H7*B3D.H7*B.ᦑ⌱A.ூp௃q⚪ὃs*BḄ®u¡*BḄ®u7n©q⚪Ḅᐵ£.6ஹA

8ூᑖ᪆௃᪷^ᐰ?ABḄᑨ®SSSஹSASஹASAஹAASஹHL,\½¾¿ᩭᑨ®ᓽGÀᔠᩩÁḄDḄjᦪ.ூmn௃n᝞*ᡠᦑ⌱A.ூp௃q⚪ὃsḄ7ᐰ?ABᑨ®Ḅ5¾¿¡ᐰ?ABḄᑨ®;5ᵨ7n⚪\j⚪Ḅᐵ£.7ஹBூᑖ᪆௃&PÂPM_LABM,᪷^ᑖឋGPM=3,᪷^MNGᐵAF&PÂPM_LABM,•.•P7NBACḄᑖAD4QPELACE,!PE=3,PM=PE=3,VAP=5,.\AE=4,VFAP☢2ាÅ7AEAP☢2Ḅ2Æ11—xAFx3=2x—x4x3,22AF=8,ᦑ⌱B.ὃᑖḄឋ.8ஹD

9ூᑖ᪆௃᪷^MNᩩÁᑮAB=OB=8,ZAOB=45°,BC=6,OD=BD=4,ᑮD(4,0),C(8,6),ÂDᐵOAḄE,+,ECOAP,ᑣÈ.É>BPDBCᕜᨬ0E(0,4),ECḄn᪆BPDBCᕜᨬ0E(0,4),•.•OAḄn᪆

10n⚪Ḅᐵ£.9ஹAூᑖ᪆௃জᵫ8=2a+,c4a-lb+c=0,-x=-l.4a-lb+c=0ᡂØᓽᑨ®32ঝ5ᵨQᐗÚ¿Ê᪷ḄᑨGkḄÜÝÞᓽᑨ®;ঞÍ\já>BḄ>ᦪBᑁ/®ᳮnᓽᑨ®3টᑖäᑐᡠäḄ&á>BQj⚔ஹj⚔/H&⚔A¾äᑨ®ᓽ.ூmn௃nজb=la+'c,çè)4a-lb+c=0,2QᐗÚ¿Êax2+bx+c=OéᨵQj᪷<-LᦑজIÒÓ3ঝê—2)/+ìíî+1=0ᨵïᦪ᪷:ñ¿Ê7QᐗÚ¿Ê.—2஺0஺2,ᦑঝI┯ó3ঞÍ\já>BḄ>ᦪB711>B.:\já>BḄᑁ/<(11-1)X180°=9X180O=1610°.ᦑঞIÒÓ3Qjá>Bä÷QjḄäᨵ&á>BQj⚔ஹj⚔/H&⚔A¾äøᨵAjùᦑট┯.ᦑ⌱A.ூp௃q⚪ὃsQᐗÚ¿ÊḄn/᪷Ḅᑨ;á>Bᑁ/®ᳮᮣᵨᡠúN«7ÒÓn©q⚪Ḅᐵ£.10ஹBூᑖ᪆௃᪷^?>ABḄឋAB=AC,NBAE=NC=60஺ᑭᵨ“>>”JAABE/ACADᐰ?ᯠfᑖ᪆ᑨᔜ⌱⚗ᓽ.ூ௃•••ABC

11A.*.AB=AC,ZBAE=ZC=60o,ᙠAABEdACAD]AB=AC

12ᦑᫀ-1.ூ௃⚪ὃᑖ"#$Ḅᩩ'()*+ᑖ"#0-./0ᩩ'⚪Ḅᐵ2᧕┯ᙠ67᧕89ᑖ"Ḅᑖ:;0.12ஹ1ூ௃,••AAl-x,5EF8A3,jEᐵ6yKLM.,.x=4,y=5x+y=4+5=l.ᦑᫀ1ூ௃P⚪Ḅᐵ2*+QLMḄᙶ᪗TUA1Eᐵ6*KLMḄWᙶ᪗XYZᙶ᪗[X\ᦪ^A2Eᐵ6yKLMḄZᙶ᪗XYWᙶ᪗[X\ᦪ^A3Eᐵ6_LMḄWᙶ᪗FZᙶ᪗`[X\ᦪ.13ஹ25°ூᑖ᪆௃᪷deᑖfḄgh0iNCBE=25஺o᪷depfḄឋr0NCḄsᦪ.ூ௃...BEeᑖNABC,tZ4BC=50஺:.ZCBE=-ZABC=25°,2VBE//DC:.ZCBE=ZBCD:.ZC=25°.ᦑᫀ25°.ூ௃y⚪z⌕ὃeᑖfḄgh|}epfḄឋr~iNCBE=25஺⚪ᐵ2.14ஹAB=ACA;Eூ᪆௃⌕ᑨgABDg^ACD,AD=AD,N1=N2,ᐹᜓLXLXᦑAB=AC᪷dSASᑨgABDgZiACD.AB=AC,•.•ᙠAABD4ACDAB=AC,Z1=Z2,AD=AD,.,.ABD^AACDASASE,ᦑᫀAB=AC.

1315ஹூᑖ᪆௃OC,᪷d⚪ᔠgᳮ~0OCḄᓽ~0MLḄᦪ.ூ௃᝞OC,ᵫ⚪0OB=2,BC=1,ᑣOC=@+F=ᦑMLḄᦪ75.ᦑᫀᔲ.ூ௃⚪ὃgᳮḄᵨ᪷d⚪~0OCḄP¢⚪ᐵ2.16ஹ-1ூᑖ᪆௃ᑖ£~i¤;"ᨵ¦§᦮ᦪḄmḄª¤«¬ᨵ®ᦪḄmḄª¯ᔠ°±§ª~᦮ᦪ஻Ḅ#.x<3x-2<-x+4ூ௃;"7x+4i0“2+4X>--------7••;"ᨵt³ᨵ¦§᦮ᦪ,m+4:.-1<---------<0,7:.-40,t*2,□r2-m2-mᓽ——>0,——#2,220ᵨ<2tmr2,:.-4

14.,•ᡠᨵ./ᩩ'Ḅ᦮ᦪmḄ#´-3-1+0+1+2=-1ᦑᫀ-1.ூ௃⚪ὃ~;"Ḅ»:¼ᦪḄª}~ᑖ"«¬Ḅ᦮ᦪḄ«½~ᑖ"«¬Ḅ»:¼ᦪḄª-⌕¾»:¼ᦪ¿⌕./⚪Ḅᩩ'¶⌕;¤ᑖ:60.17ஹ1ூᑖ᪆௃᪷dḄᑁ~iN2=45஺o᪷dL⚔X~iN3=N2,ᯠ᪷dḄ§᜜6FÄ;XÅḄ±§ᑁḄÆÇᓽ.ூ௃•••/2=90஺-45஺=45°(ɱ┦[Ë):.N3=N2=45°,ÍZl=Z3+30o=45°+30o=l°.⚪ὃḄḄᑁ᜜Ḅឋr(Ḅ§᜜6FÄ;XÅḄ±§ᑁḄy⚪Ḅᐵ2.18ஹ-0.5ூᑖ᪆௃ᑭᵨÏᐰe«Ñ"ÒpÓ"ᑖ0ᑮ2§Ïᐰe«"ÕÖe«Ḅ®ឋr×Øi"§®⚗X0,ᑣÚ⚗0.ூ௃•.•4஺2+ᓃ24஺+2ᓃ+2=0.,.(2a-l)2+(Z?+l)2=O,[2«-1=0,+1=00஺=1ᓃ=1,2,1cib=—.2ᦑᫀ2ூ௃

15ᑭᵨÏᐰe«Ñ"Ó"ᑖÕÖe«®Ḅឋr⚪Ḅᐵ2.ஹ⚪(ᐳ66ᑖ)19ஹ(1)Þ᪆^(2)ᡂàᳮᵫÞ᪆ூᑖ᪆௃(1)᪷dAASA0ᑮAD=CE,ᓽ^(2)YᳮAO3t0ᑮAE=BO,AD=CE,ᓽ^ூ௃(1)Éf¹á_1_Éf¹:.N8D4=NCE4=90°,NA4c=90஺...N5AZ)+NCAE=90஺'
ZBAD+ZABD=90°,
.ZCAE=ZABD,:ᙠ4D5ACEAZABD=ZCAE=8,ᑭᵨgᳮḄ⌮gᳮ~AABD

16DwD"Ôᑭᵨ×رᳮÙCDḄ$ᯠÛᑭᵨwD"☢ÜÀᓽÈËÙᫀ.ூÉ´௃´*•.•8CE2+A£E2=62+82=102=AB2,.•.AAQDwD":.AD±BC,ᙠRtAACD]CD=y]AC2-AD2=\5>.-.BC=BD+CD=6+15=21,S=^BC*AD=Jx21x8=84.MBCÝAABCḄ☢H1.ᦑᫀH1.ூ«௃⚪Þ⌕ὃ¯/ß^×رᳮd×رᳮḄ⌮±ᳮḄᳮ´d¶·,´⚪Ḅᐵµᑭᵨ×رᳮḄ⌮±ᳮAABDDwD".21ஹA1EdḄÈᳮᵫâ´᪆ãA2EᑴḄᱛJᔠᳮᳮᵫâ´᪆ூᑖ᪆௃A1EᑖiÙஹஹஹᑴḄᱛḄ☢!"Ḅ^D$,ᯠÛäåᜧᓽÈËÙçèãA2E;⁚=ᩞᧇ@!ABCᱛḄDᩭFéB12ᐭᱛḄᱛḄ☢!"Ḅ#$@⁚=ᩞᧇḄ!ᫀ.ூÉ´௃´*A1EdḄÈ⌕ëᱛCᐭᱛᑁᑣᱛ☢^D$éᜧᡈ4cm.*22+22V42,*2.62+2.62<42*32+32>42,*3.42+3.42>42ᡠdᑴḄ012(-3ᱛ.A2EᑴḄᱛJᔠᳮ.ÝH᝛ᑴḄ0ï⁚=ᩞᧇ@!ABCᱛ.ூ«௃⚪ὃ¯Ḅ×رᳮḄéᵨ¶·×رᳮ´ð⚪Ḅᐵµ.22ஹ2ᐗஹ6ᐗூ´᪆௃᪷[^_ᑖiᑭᵨñòᦪËÙÀÙᫀ.ூÉ´௃´*ó]ឋcdcefḄᓫhᑖixᐗஹyᐗ᪷[⚪ÊÈË*12y+20x=11212x+20y=144'

17y=6*]ឋcdcefḄᓫhᑖi2ᐗஹ6ᐗ.ூ«௃⚪Þ⌕ὃ¯}ᐗô!õöḄéᵨËÙ÷ᐵø´⚪ᐵµ.1Q23ஹ1
Éâ´᪆ã2
y.ூᑖ᪆௃1
᪷[ùᚖᑖឋ³ËAE=CE=3,ᑭᵨ×رᳮ⌮±ᳮÈËã2
ú118,ᵫ484£=L6Û4”ÈËAH,Ô☢.22ூÉ´௃1
ÝHACḄᚖᑖAC஺ᡠAE=CE=3ÝHBC=BE+CEᡠBE=BC-CE=8-3=5ÝH32+42=52ᡠAB2+AE2=BE2ᡠAABEDwD"ã2
AHJ_BCᵫ1
È=22ᡠ4x3=5AWᡠAH=£111218ᡠAACEḄ☢=—ECA”=—x3x—=^2255ூ«௃ὃ᪶ü*ùᚖᑖஹ×رᳮ⌮±ᳮ.ᳮ´ùᚖᑖឋ³d×رᳮ⌮±ᳮᐵµ.24ஹ1
â´᪆ã2
ZACF=90°.ூ´᪆௃1
᪷[AABC#wD"ËÙAB=BC,ZABE+ZEBC=60°,Ô᪷[ABEF#wD"ËÙEB=BF,ZCBF+ZEBC=60°,;ýÙNABE=NCBF,ᨬÛ᪷[SASÙABEBCBF,ᓽÈËÙAE=CF2
᪷[AABC#wD"ADNBACḄDᑖËÙNBAE=30஺NACB=60°,Ô᪷[AABEg/kCBF,ËÙNBCF=NBAE=30஺;ýÙNACFḄᦪ.

18ூÉ´௃প
•••ABC.•.AB=BC,NABE+NEBC=60஺.•••BEF.♦.EB=BF,NCBF+NEBC=60஺..*.ZABE=ZCBF.AB=BCᙠAAin^ACI^,{NABE=NCBF,EB=BF.AABE^ACBF(SAS)..♦.AE=CF(2)ABCADNBACḄᑖZBAE=-ZBAC=30°,ZACB=60°.2VAABE^ACBF,/.ZBCF=ZBAE=30°.:.NACF=NBCF+ZACB=30°+60°=90°.ூ௃⚪ὃḄឋᐰḄᑨ"ᐵ$᪷&Ḅឋ'(NABE=NCBF,)*ᐰḄᑨ"ᑖḄឋ+,.25ஹ(1)j=73x+6(2)O(-/3),01஺=463(3)4ᙠQ,5AQCD6CO78ḄῪ:஺Ḅᙶ᪗(0,±20)ᡈ(6-460)ᡈ(-4/-6,0)ூᑖ᪆௃(1)᪷&@"AᦪCD':6ḄE᪆F3(2)᝞H1,ICJC"_LxKL"NEḄᙶ᪗ᑭᵨCEQḄᙶ᪗N:ḄE᪆FR:6ᑡTUVD'஺Ḅᙶ᪗ᑭᵨ☢XD'ABC஺Ḅ☢X3(3)ᑖYZ[\ᙠxKyK]
gQNC(AAS),DM=QN,QM=CN,^஺(_73m+6)(m<0),⊤a஺Ḅᙶ᪗᪷&0஺ḄbᑡTUD'_Ḅcde'ᑮgh.ூiE௃E(1)y=kix+6,jx=0ky=6,
.OB=6,

190B=60A,
.OA=2y/3,
.A-2î0
,ïA-2î0
ðᐭy=hx+60-2î+6=0,ki=-^3,ÍÉfAḄ᪆"j=V3x+62
᝞1,ÖCòC”_LxK677,VC(î1),
.OH=y/3,CH=i,RtAABOAB=M+(2=4
.AB=2OA,
.ZOBA=30°,ZOAB=60°,:CDLAB,
.ZADE=90°,
.NAEO=30஺:.EH=X,
.OE=OH+EH=2V3,
.E(26,0),ïE260
CAî1
ðᐭó5+b0:0\2~3b=2

20Éf2y———x+2,3
.F(0,2)ᓽBF=6-2=4,6öy=------x+2Y——0÷ᑣ3[y=3y=y/3x+6
.D(63),S^BCD=—BF(xc-XD)=—x4x+V3j=4\/3^(3)ᑖ¦úûüজþ஺ᙠKḄÿ
᝞2,஺OM_Ly
M,CCN_Ly
N,•••QC஺CDḄῪ,
.ZCQD=90°,CQ=DQ,:.ZDMQ=NCNQ=90஺
.ZMDQ=ZCQN,
./\DMQ^/\QNC(44S),
.DM=QN,QM=CN=ᨵ,O(/n,y/3/n+6)(m<0),ᑣ஺(0,-m+1),OQ=QN+ON=OM+QM,ᓽ-m+l=73m+6+6,4^=i-26,in=V3+1
.Q(0,2G)

21ঝ(஺ᙠx
Ḅ*
᝞3,O
M,CCNJ_x
N,:DM=QN,QM=CN=1,0(m,y/3/n+6)(/n<0),ᑣ஺(%+10):.OQ=QN-ON=OM-QM9BP5/3zn+6-6=-m-1,m=5-473>
.Q(6-473,0);ঞ(஺ᙠx
Ḅ*
᝞4,஺OM_Lx
஺CN_Lx
N,,ᳮ./ADMQᦇNC(AAS),:DM=QN,QM=CN=1,஺(1yf3zw+6)

22:.OQ=QN-ON=OM+QM,ᓽ-/_-6-Ji=-"i+Lm=-473-5,
.Q(-473-6,0)টj஺ᙠyKḄnoK]k᝞H5,I஺JOM_LyKLM,ICJCNyKLN,pᳮ'OMQrQNC(AAS),
.DM=QN,QM=CN=6,^஺(nt,73m+6)(/n<0),ᑣ஺(0,/n+1),OQ=QN-ON=OM+QM,ᓽ-73m-6+75=~m-1,m=-2y/3-1»
.Q(0,-273);t],4ᙠ஺5A஺஺6஺78ḄῪ:஺Ḅᙶ᪗(0,±2G)ᡈ(6-473»0)ᡈ(-4-6,0).ூ௃v⚪tᔠxyzᦪḄH{RឋᐰḄឋRᑨ":RῪ:Ḅឋ+,Ḅᑖ[\|h}}H~⚪ᙠ)*+,ḄẠ]◤⌕᪷&[\J(ᡈὅJ(ᔠ⚪ḄH{ᑖ[\|h.26ஹ(1)B(6,0)(2)1ூᑖ᪆௃(1)᪷&@"AᦪCN':E᪆Fᯠ᪷&H{]Ḅᙶ᪗ᱯᓽDN'

238Ḅᙶ᪗4(2)5x=0,6.CḄᙶ᪗ᯠ8᪷:☢<=>ᓽ?6..ூBC௃C/(1):•Gy=«x+6HI4(4,2),J2=4«+6,C.A=-lJGy=-x+65y=0,ᑣ-x+6=0,C.x=6,
.B(6,0)(2)5x=0,K!|y=6,
.C(0,6),
.CO=6,/.OACḄ☢<=x6x4=l.2ூIM௃N⚪ὃQḄRSITUVᦪḄXIḄᙶ᪗ᱯZ[\Ạ⚪^᧕`a.