2017-2021年河南中考数学真题分类汇编之图形的变化

《2017-2021年河南中考数学真题分类汇编之图形的变化》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。

2017-2021
ᓭὃᦪ⚪ᑖḄᓄ.⌱⚪ᐳ8⚪1.2021•
ᓭ᝞ᵫ8!Ḅ"#$%ᡂḄ'($)ᐸ+,4.2019•
ᓭ᝞জᵫᜧ!Ḅ"#$0ᡂḄ'($)123Ḅ"#$4567ᑮঝ.ᐵ;45<6'($Ḅ=,)>ᑡ@A"BḄ

1A.+,!B.E,!C.G,!D.=I,JK!5.(2019•
ᓭ)᝞)ᙠ4஺43)⚔XO(0,0),A(-3,4),fi(3,4),1]048_"#ABC஺%ᡂḄ`XObc┐ef)ghef90°,ᑣk70hefmnc,X஺Ḅᙶ᪗q)(-3,10)C.(10,-3)D.(3,-10)6.2018•
ᓭ1জḄ"#$stᜮ#ᔣ45ᑮঝwx)>ᑡ@A"BḄজঝA.জḄ+,yঝḄ+,!B.জḄ+,_ঝḄE,!C.জḄE,_ঝḄE,!D.জḄG,_ঝḄG,!7.2021•
ᓭ᝞)nOABCḄ⚔XO0,0,A1,2,XCᙠx|Ḅ"}|2)~84y|;X£>.1]OD4`X஺bc┐ef7ᑮ]0஺'A',X஺ḄXᙠ042c)D'A'Ḅ~ាXC,ᑣXCḄᙶ᪗q

2A.2«,0
B.2)0
C.2H,0
D.2+1,0
8.2017•
ᓭ᝞)ᙠ2ᩩ)_;A,B,C=X)ᑣBCAC;⚪ᐳ6⚪9.2017•
ᓭ᝞)ᙠ=A8C)XMqḄX)XNqAB2Ḅ¡XK_XA,8¢ᔠ)¤X8ᐵ;MNḄ¥Xᱏាᙠ=ABCḄ2)ᑣBNḄqcm.10.2017•
ᓭ᝞)ᙠ]ABC)A8=8,AC=12,஺qA8ḄX)XEqCD2X)¤§AGMq"#ᐸX¨,Gᑖ©ᙠAC,AB2)ᑣ]BECḄ☢«q.11.¬ᵨ®=ᱏ¯ᢚ±²)᝞1,ᙠRtaABC)ZACB=90°,ZB=30°,AC=1.k³)ᙠA82´X஺)1ᱏsC஺ᢚµ)XAᙠhᜐ)᝞

32·k¸³)1ᱏsC4ᢚµ)X஺ᙠ஺’ᜐ)᝞3.X஺'ាᙠº=ᱏḄ2c)»A'D'Ḅq.12.2019•
ᓭ᝞)ᙠ¼)AB=1,BC=a)XEᙠBC2)S.BE=^-ci.ÀÁAE,1AABEsAEᢚµ)¤X8ḄXB'ᙠ¼ABCDḄ2)ᑣaḄÂq_______.13.2018•
ᓭ᝞)ᙠ¼A8CD)XEqABḄX)XFqÅAO2ÆX)]A'ᡠ_ᐵ;EFᡠᙠ¥)ÀÁAC,ᑖ©E4'ஹEFஹMஹN,AB=2«,AD=2.¤]EMN_]4£/Í)ᑣA¨Ḅq.DI----------------14.2017•
ᓭ᝞)ᙠRtZ\A8C)ZA=90°,AB=AC,BC=J^1,ஹM,Nᑖ©BC,A32ḄÆX)sMNᡠᙠḄᢚµÓXBḄX3'ÔÕᙠAC2)¤]MB'Cq=)ᑣḄq.

4=.Ö×⚪ᐳ6⚪15.2021•
ᓭØÙ;ᓅÛÜᦻÞßḄàáâãäâåæçᴮé)ᓲëìíîâãᨬᜧḄíî.ðᦪñÆ%ᑮàáâãòóôõö÷íîḄøù.᝞)úû⌱üḄôõXA_íî8஺Ḅýþ஺ᙠ!ÿ
.ᜮBC4m,ᙠAᜐᜮ⚔BḄ45°,ᜮCḄ37.5°,8஺Ḅ"#$%&'(ᑮO.bn.-ὃᦪ0:sin37.5°-0.61,cos37.5°:0.79,tan37.5°-0.77>.16.$2019•Aᓭ>ᦪCᐶEFGᑮHAIJKLMNOPᛛ$ᛛR"ὅ>Ḅ"#.᝞UᡠWXOPᛛ஺Eᙠ"55ZḄF[ECXᙠAᜐᛛEḄ34°,\]AC^ᔣ`a21Zᑮb8ᜐXᛛ⚔஺Ḅ60°,OPᛛ஺EḄ"#.$'(ᑮ1%-ὃᦪ0dsin34°e0.56,cos340=^0.83,tan34°-0.67,hi1.73>17.$2018•Aᓭ>2018j5ᨴ13lmᨌXᡃpqr⁂tuẆᑴḄ001Axyz{…}ᜧ⌼ᔆṹᜮyXᐵ᡻…80306y{`EᑮᵬBDḄDE6m,…⚔AᑮBDḄAC,N,NBAC=71.6°,NE4c=80.6°,…ACḄ"#.$%&'(ᑮ1஻3-ὃᦪ0dsin71.6°-0.95,cos71.6°^0.32,tan71.6°-3.01,sin80.6°-0.99,cos80.6°«=0.16,tan80.6°-6.04)

5A-ᓝ¥¦------------A18.(2020•Aᓭ)¨©Aᓭḕ«¬᛻ᑁḄᐗ±²³´XRpµ¶ᨬ¸Ḅᜩᦻ´X»¼½ᦻᓄ⍡ÀÁr.Â᪥ᦪCÄÅḄÆCÇÈᵨᔁËÌtᑴḄÍN²³´Ḅ"#.᝞UᡠWXÎÇᙠᙢ☢rᩩÒ⍝MPÖ×ÍXᐜᙠMᜐ²³´ᨬ"AḄ22°,ᯠÚ]MP^ᔣ`a16஻?ᑮbNᜐXAḄ45°.ÍḄ"#1.6஻?.(1)²³´ᨬ"Aᙢ☢Ḅ"#(%&'(ᑮ0.1X஻.-ὃᦪ0dsin22°i0.37,cos22°e0.93,tan22°-0.40,Ü᝞1.41)Ý(2)“Jßà”âWX²³´Ḅ"#126”.ãäN%&ḄåæXçèérᩩêFåæḄᔠᳮᓄíî.19.(2019•Aᓭ)ᙠïA8CRXCA=C8,NAC8=a.P☢ᑁðñA,CòᔠḄór.ôAP,õ
öAP÷ø⌮ú┐üýaᑮ
ö஺P,ôAO,BD,CP.(1)²þÿ᝞1,a=60°ḄCPᡠᡂḄḄCPᦪ.(2)#$%&᝞2,a=90஺)ᑏ+,Ḅ-8஺CPᡠᡂḄḄᦪ,CP/02Ḅ1234ᳮᵫ.(3)89:⚪a=90°<=E,FᑖBCA,CBḄE==PᙠEFG)Hᑏ+=C,

6P,஺ᙠIJGKḄ.CP12ᜓᵨ20.L2017•OᓭQ᝞1,ᙠRtZXABCEZA=90°,AB=AC,=஺EᑖBᙠVA8,ACGAD=AE,WH஺C,=M,P,NᑖBZQE,DC,BCḄE=.L1Q\]^_1E`PMPNḄᦪaᐵc,deᐵc;L2Q%&g4_hiACEj=A⌮┐mᔣopᑮ2ḄdeWHMMBD,CE,ᑨsiPMNḄ2t/34ᳮᵫuL3Qvwxy_hi4OEj=Aᙠ|☢ᑁᵫop=4,AB=10,)Hᑏ+iPMN☢Ḅᨬᜧ.

72017-2021OᓭEὃᦪ⚪ᑖ#2Ḅᓄὃᫀ⚪᪆⌱⚪Lᐳ8⚪Q1.2021•OᓭQ᝞ᵫ8IḄmᡂḄᐸLQூ⚪௃ᢗu\¡.ூᑖ᪆௃£2ᑖᡂ¤¥¦G§¨©J¥ZJm2©ª¥Z«m2©¤¥Z¤m2¬V®¯Ḅ.ூ8°௃8_±Ḅᨵ¤¥¦G§¨©J¥ZJm2©ª¥Z«m2©¤¥Z¤m2¬V®¯Ḅ.ᦑ⌱:A.ூ=µ௃¶⚪⌕ὃ¸¤Ḅ¹ºᙠᳮ8¤Ḅ»ẠG½⌕ᨵ¾Ḅ¿ÀÁ.2.2020•OᓭQ᝞᤮ÃḄEᨵÄÀÅIḄLQ.SB.AC.@.SADூὃ=௃ÆᓫḄ¤.ூ⚪௃ᢗu\.ூᑖ᪆௃ᑖBȹÉḄÊᓽÄÌ+ᑨs.ூ8°௃8_AஹÊÎm2J¹Iᦑ¶⌱⚗Åᔠ⚪Ñu

88ஹÊÒÓῪ¤2J¹Iᦑ⌱⚗ÅÕᔠ⚪ÑuCஹÊÒᙊJ¹Iᦑ⌱⚗ÅÕᔠ⚪Ñu஺ஹÎm2ÄÀm2KÄÀÎm2ᦑ¶⌱⚗Õᔠ⚪Ñ;ᦑ⌱_D.ூ=µ௃¶⚪ὃ¸×ÆᓫḄ¤ȹ¤ᐵØ.ூὃ=௃ᵫ¤ᑨs.ூᑖ᪆௃¦VÙᑮḄÚÛÜ8.ூ8°௃8_¦ÄÝÞß_±ᐳᨵ«ᑡmḄᦪᑖBZ2,1,DÅÕᔠᦑ⌱_D.ூ=µ௃ὃ¸×ᵫ¤ᑨsḄáâ8⚪ḄᐵØ×8±Ḅ᪀ᡂäÅᜧ.4.2019•OᓭQ᝞জᵫᜧIḄmæᡂḄ£G¥Ḅm|çèéᑮঝ.ᐵë|çìèḄ¤¨ᑡ3íÈḄLQ/☢জঝA.IB.IC.ïID.¤ðÒÅIூὃ=௃ÆᓫᔠḄ¤u|çḄឋò.

9ூ⚪௃ᢗ.ூᑖ᪆௃᪷Ú¤8°ᓽÄ.ூ8°௃8_জḄ¤Z_ïBIDrBᔙঝḄ¤Z_ïᦑ⌱_C.ூ=µ௃¶⚪ὃ¸×Ḅ¤8⚪ḄᐵØõḄ\]ÀÁÊ®¤ðḄ¿ÀÁ.5.(2019•Oᓭ)᝞ᙠi0A8E⚔=O(0,0),A(-3,4),B(3,4),£i஺48m2ABCDᡂḄ2j=஺ú┐opÉûop90°,ᑣ©70ûopýþ=஺Ḅᙶ᪗
()A.(10,3)B.(-3,10)C.(10,-3)D.(3,-10)ூὃ௃ᙶ᪗ᓄ-Ḅᙶ᪗.ூ⚪௃"#ஹ%&.ூᑖ᪆௃ᐜ*+AB=6,,ᑭᵨ/0Ḅឋ234£)(-3,10),ᵫ770=4X17+2,ᡠ?@70ABCDEFG7HOAB/0ABCDJᡂḄL஺ND┐2AEPA90°,SDTUḄ஺ᐵ7W%&E7Xᑭᵨᐵ7W%&ḄḄᙶ᪗ᱯZ[\ᑮUḄ஺Ḅᙶ᪗.ூ^_௃^(-3,4),B(3,4),

10.•A8=3+3=6,•.•abABC஺
/0,.AD=AB=6,.D(-3,10),V70=4X17+2,...P4AcdefE@70ABCDEFG7HOAB/0ABCDJᡂḄL஺ND┐2AEPA90°,g஺Ḅᙶ᪗
h3,-10
.ᦑ⌱D.ூk௃l⚪ὃmnᙶ᪗ᓄ-ᡈpU⌕BᔠḄstuḄᱯvឋ2ᩭ*+UḄḄᙶ᪗.xyḄXᱯvst᝞30°,45°,60°,90°,180°.6.2018•{ᓭ}~জḄ/0ᜮ0ᔣ"#ᑮঝEᑡ/3ḄXh}জঝA.জḄuঝḄFB.জḄঝḄFC.জḄঝḄFD.জḄঝḄFூὃ௃ᓫJᔠḄ"#Ḅឋ2.ூ⚪௃ᢗ.ூᑖ᪆௃᪷ஹஹXᑖᱥ/☢ஹ☢u☢¡ᡠ\ᑮḄ,\+জஹঝḄᓽ[.ூ^_௃^£ᑮজஹঝ/☢ஹ☢u☢¡ᡠ\ᑮḄE[¤জḄঝḄFEজḄঝḄF.ᦑ⌱B.

11ூk௃l⚪⌕X¥¦জஹঝᩭὃmᱥḄE§tc¨.7.2021•{ᓭ}᝞EO04BCḄ⚔00,0
,A1,2
,Cᙠx«Ḅ/¬«E®BA¯y«7D~HOD4L஺ND┐\ᑮH0஺'A',G஺Ḅ%±஺'²ᙠOADED'A'Ḅ®³ាµ¶·C,ᑣCḄᙶ᪗
h}A.2¹0
B.2ºE0
C.2»H,0
D.2º+1,0
ூὃ௃Ḅឋ2ᙶ᪗ឋ2"¼abḄឋ2.ூ⚪௃½b"¼ab¾¿ÀÁ.ூᑖ᪆௃®A'D'¯y«7E,®஺A',ᵫ⚪ÂO'A'Ḅ®³¶·C,ᑭᵨAḄᙶ᪗[*\³ÃA஺EOD,OAḄ®Eᵫ⚪ÂHOA'D'ÄHOAO,[\%±ÅᑖFÆᑭᵨO஺'J_A'E,OA"ᑖNA'OE,[\H4'OE
ÆῪsE[OE=OA'=ÈEED'=A'D'=1ᑭᵨHOE஺'^AC£O,\ᑮ¥ÉÊ[*³ÃOC,ᑣCᙶ᪗[\.ூ^_௃^®A'D'¯y«7E,®஺'A',ᵫ⚪Â஺'A'Ḅ®³¶·.AD=\,OD=2,O/1=VAD2-H3D2=712+22=V5-ᵫ⚪ÂXOND,aH04஺ED'=AD=1,OA'=OA=,OD'=OD=2,ZA1D'O=ZADO=90°,ZA'OD'=4D0D'.ᑣOD'_LA'E,OA"ᑖNA'OE,

12...H4'0E
ÆῪs..OE=OA'=ºEED1=A'O'=1.'EO±OC,OD'_LEC,J.^OED's/\CEO.•EDEgEO'"0Dy"OC'.1".OC=2#..C$2#,0}.ᦑ⌱B.ூk௃l⚪⌕ὃmnḄឋ2E"¼abḄឋ2Eᙶ᪗Ḅឋ2EsFÐḄᑨ4ឋ2EᑭᵨḄᙶ᪗⊤Ó+F±³ÃḄ®tuᑭᵨ³ÃḄ®t⊤ÓF±Ḅᙶ᪗X^⚪ḄᐵÔ.8.h2017•{ᓭ}᝞EᙠÖ×ØÙÚhÖ³ÆÛ}ÜcᩩÞ³EÖ׳¯7A,B,CA.23B.25C.34D.35ூὃ௃"¼³ᑖ³Ãᡂ¥É.ூ⚪௃³ÃஹsஹF¯³"¼³.ூᑖ᪆௃᪷à¤᪀⌼FÐsEãä\+HABQs/viCE,ூ^_௃^᝞ᡠÓ·AØ"¼³Ḅᚖ³E¯ᑖ
஺EE,.BCAC=34,

13ᦑ⌱c.ூk௃S⚪⌕ὃmnFÐsḄ±ᵨE᪷⚪Â᪀⌼HABQS/XACEX^⚪ᐵÔ.g.ëì⚪hᐳ6⚪}9.2017•{ᓭ}᝞EᙠÆbsABCEAB=20pn,M
bBCḄEN
bABḄîÂchïA,8ðᔠ}EñBᐵ7Þ³Ḅ%&8ាµ²ᙠÆbsABCḄbEᑣBNḄ®
—óᡈEᡭa”.ூὃ௃«%&Ḅឋ2.ூ⚪௃"#ஹ%&.ூᑖ᪆௃᝞1EG8ᐵ7Þ³MNḄ%&Uាµ²ᙠÆbsABCḄbABDE7X\ᑮMN±AB,BN=BN',᪷ÆbsḄឋ2\ᑮ=AC=8C,NA8C=60°,᪷³ÃḄ4õ\ᑮBN=2BM=óE᝞2,G8ᐵ7Þ³MNḄ%&228'ាµ²ᙠÆbsA8CḄbA,CDEᑣ,abBMB'NXöE᪷³ÃḄ4õᓽ[\ᑮB÷.ூ^_௃^᝞1,G8ᐵ7Þ³MNḄ%&᜛ាµ²ᙠÆbsABCḄbABDEᑣMNA.AB,BN=BN',/\ABCXÆbsE.AB=AC=BC,ZABC=60°,M
b8cḄE8c=ù8=«,22:.BN=LBM=®,22᝞2,G3ᐵ7Þ³Ḅ%&বាµ²ᙠÆbs4BCḄbA,CDEᑣ,abBMB'NXöE•.,/ABC=60°,M
b8cḄE

14.•.BN=BM=2BC=X1B=«,22ᦑ_ᫀ
óᡈü.2ூk௃l⚪ὃmn«%&Ḅឋ2EÆbsḄឋ2EöḄᑨ4uឋ2Eᑖýþ÷X^⚪ḄᐵÔ.10.2017•{ᓭ}᝞EᙠABCEA8=8,AC=12,஺
A8ḄEE
CDcEñabAGEF
/0hᐸ
EGᑖᙠACA8ᑣBECḄ☢Jூὃ
௃ḄᑨឋḄឋ.ூ⚪௃!"Ḅ.ூᑖ᪆௃ᵫ⚪%&'(EF//AG,AF=EF=EG=AG,40=08=4,ᓽ&*CEFs4CDA,&'+0,ᓽ.J2-AF,&4AF=3,ᓽ&45677Ḅ☢.ADAC412ூ=>௃=(•.•@AAGEFBJ.EF//AG,AF=EF=EG=AG•.•
஺BAB
.DB=AD=1AB=42,JEF//AG:."CEFs/\CDAEFCFADACAF4.12-AF12AF=3

15■:S/ஹBCE=SMBC-S1ACD-SABDEASABC£=—X8X12-Ax12X4-D><4X3=18222ᦑ>ᫀ(18ூ
G௃H⚪ὃIJḄឋKᑨḄឋLMNᵨPQឋ=RS⚪BH⚪ḄᐵU.[1.VWᵨXYZ[ᱏ]ᢚ[_`᝞"1,ᙠRtAABCNACB=90°,ZB=30°,AC=1.bXcᙠABAdX
£>,g[ᱏh8ᢚj
4kᙠWᜐ᝞"2bmcg[ᱏhC4ᢚj
஺kᙠ஺'ᜐ᝞"3.o
஺'ាqkᙠrZ[ᱏḄAstuA'D'ḄvDᡈ2-ஹy.ூὃ
௃zᢚ{ᣚ7ᢚjS⚪}30~ḄZ.ூ⚪௃ῪZN.ூᑖ᪆௃ᑖ=>(জ
஺’ាqkᙠZ[ᱏḄABAsᵫ⚪%(5ADC^^A'DC^/\A'D'C,ᑣN஺'A'C=/DA'C=NA=60°,A'C=AC=1A'cᚖZᑖtumᑭᵨ5ᦋ=K&4'5ᑣ4'E=A'7;C-CE,=ZA'D'E&4tuA'D'ঝ
஺’ាqkᙠZ[ᱏḄ8cAsᵫ⚪%(5AOCDC9XND'C,ᑣ/஺'A'C=ADA'C=ZA=60°,A'C=AC=\,ZACD=ZA'CD=ZA'CD'=NACB=30°:ᙠRt35A'D'Cᑭᵨ30°ᡠḄZAAḄX&'¡.ூ=>௃=(জ
஺'ាqkᙠZ[ᱏḄA8As¢A'C£ABA
E,᝞"

16Bᵫ⚪%(%ADC2XNDC^/\A'D'C,A'CᚖZᑖtu஺O'.ᑣNQ'A'C=ZDA'C=ZA=60°,A1C=AC=1.VZACB=90°,ZB=30°,AC=\,.•.BC=AUtanA=lXtan60஺=³AB=2AC=2,..11•S^ABCAOBCᡈAB'CE'/.CE=®.2_.\A,E=A'C-CE=1-·.2ᙠRtZ\A'EVcosZ£>,A'E=~~~—,A'D'.A'E1••—”A'D'2.AD'=2A'E=2-5/3.ঝ
஺'ាqkᙠZ[ᱏḄ8cAs᝞",ᵫ⚪%(^ADC^/\A'DC^/\A'D'C,ZACD=ZA'CD=ZA'CD'=^ZACB3=30°ᑣ/O'4'C=NDA'C=NA=60°,A'C=AC=1.'ZD'A'C=60°,ZA'CD'=30°,.../A'D'C=90°,".A'D'=—izC=—x1=^-222

17ÃtuA'D'Ḅv(Dᡈ2-b.2ᦑ>ᫀ(Dᡈ2-2ூ
G௃H⚪Ä⌕ὃIJzᢚS⚪}30°ḄZZḄAᐵÆᱯÈḄÉᦪyᐰḄឋ.zᢚÌᐰ{ᣚÍÎᑖPB=⚪ḄᐵUo
஺’ាqkᙠZ[ᱏḄAs⌕Ï%ᑖÐÑ¡.12.2019•Òᓭ᝞"ᙠABCOAB=1,8C=a,
EᙠA8CÔ8£?=Õ”.Ö5×AE,g4486hAEᢚjØ
8ḄÍ
8'kᙠ4BCCḄAᑣ஻Ḅyூὃ
௃zᢚ{ᣚ7ᢚjS⚪Ḅឋ.ூ⚪௃ÚஹÛÜÝ.ூᑖ᪆௃ᑖÞ(জ
8'kᙠAOA᪷àᢚjḄឋ᧕'A8=8E,ᓽ&4â”Ḅyঝ
B'kᙠCZ
A*ãAOB'^/\B'CE,᪷àÍAᡂåæᓽ&4âaḄy.ூ=>௃=(ᑖÞ(জo
8'kᙠAOAs᝞"1.•••@AA88B-.NBAD=NB=90°,•.•gAABEhAEᢚj
BḄÍ
B'kᙠAOA-.NBAE=/B'AE=AZBAD=45°,2.\AB=BE,53ঝo
"kᙠCOAs᝞"2.

18•.•@AABC஺B:./BAD=NB=NC=ND=90°,AD=BC=a.•.•g5ABEhAEᢚj
BḄÍ
8'kᙠCDA.ZB=ZAB'E=90°,AB=AB'=1,EB=EB'=&,5"᜛=éA2-AD2=VT7,EC=BC-BE=a-la=Za.ᙠ5AOB'CEAD=NEB'C=90°-NABT,IZD=ZC=90°:.AADB's.B'CE,•DB'=AB'ᓽ1"~cTFTஹ2a3a'5a5a='.2=-YG7êë.33Ãᡠ4”Ḅyìᡈ⌭._33ᦑ>ᫀ5ᡈ·.332ூ
G௃H⚪ὃIJᢚjḄឋ(ᢚjBXÝ{ᣚîÌïÝᢚjðñ"ḄòKᜧVô{õö{ᓄÍAKÍ.øὃIJḄឋùúᳮḄᑨឋ.üýᑖÐÑ¡ᦪᔠB=⚪ḄᐵU.13.2018•Òᓭ᝞"ᙠABC஺
EABḄ

ÿ
A஺A'EFAEFᐵEFᡠᙠAC,ᑖEA'ஹEFMஹN,AB

19=2«,AO=2.EMNAEFᑣ4Ḅ1ᡈ3ூὃ௃$%&Ḅឋ()*&Ḅឋ()+Ḅឋ(.ூ-⚪௃*&/&01&.ூᑖ᪆௃ᑖ345&জ7EM_LAC8.EMNs.EAF.ঝ7ENJ_AC8XENMsEAF,ᑖ:;.ூ;<௃;=জ7EM_LAC8AEMNs^EAF,)>?&A8C஺@*&.AD=BC=2,ZB=90°,tanNCAB=ᚈ=CAB3.../CAB=30°,.ZAEM=60Q,AZA£F=30°,=0•⌨=1,.".AF=AE«tan30°3ঝ7ENJ_AC8%ENMsAEAF,FGAF=4Etan60°=3,ூH௃I⚪ὃJKᢚMᣚ*&Ḅឋ(;%$%&OPQ;⚪ḄᐵR@STUVWIPQXYὃZὃ⚪[.14.2017•\ᓭ^᝞`ᙠRtZXABCYZA=90°,AB=AC,BC=\[^1,ஹM,Nᑖ@?BC,48ḄaMNᡠᙠḄᢚbNB,cBḄdB'efgᙠ?

20ACMB'C%$%&ᑣுMḄ1o+qᡈ122ூὃ௃KᢚMᣚsᢚbt⚪^)OῪ%$%&.ூᑖ᪆௃জ᝞`13NB'MC=90°,B'AzᔠM@BCḄY@Gᑮ}~;ঝ᝞`2,3NMB'C=90°,CMB'@OῪ%$%&GᑮCM=ᔊ᜛ᑡ1ᓽFGᑮ}~.ூ;<௃;=জ᝞`1,7/B'MC=90°,B'AzᔠM@BCḄY.•.BM=ABC=AJ2+A)222ঝ᝞`2,3NMB'C=90஺=/A=90°,AB^AC,AZC=45°,@OῪ%$%&•.•aMNᡠᙠḄᢚbNB,c8Ḅd8',.BM=B'M,:.CM=®BM,VBC=V24-1,CM+BM=&BM+BM=y[^1,ᡠM3,C%$%&ᑣ3MḄqᢈqᡈ1,22ᦑ<ᫀ=qᢈqᡈ1.22

21ABூH௃I⚪ὃJKᢚMᣚ-ᢚbt⚪OῪ%$%&Ḅឋ(0Ḅ`&@;⚪ḄᐵR.$.;<⚪sᐳ6⚪^15.2021•\ᓭ^ᓅᦻ¢£¤Ḅ¥¦§¨@Y©§ª«¬ᴮ®ᓲ°±²³@§¨YᨬᜧḄ²³.¶ᦪ¸¹ºᑮ¥¦§¨»¼½¾¿À²³ḄÁÂ.᝞`ÃÄ⌱ÆḄ½¾A²³BDḄÇÈ஺ᙠÉÊË.ÌP²³ᜮÈBC4ÎᙠAᜐ½G²³ᜮ⚔ÈBḄÑ%45°,ᜮÇÈCḄÑ%37.5°,:²³BOḄÁÂs}ÒÓᑮ0.1%ÔὃᦪÕ=sin37.5°Ö0.61,cos37.5°M).79,tan37.5°~0.77).ூὃ௃;%$%&Ḅdᵨ-Ñ%Ø%t⚪.ூ-⚪௃dᵨ⚪);%$%&Ùᐸdᵨ)ÛÜÝÞ)ᳮÝÞ.ூᑖ᪆௃᪷Õtan/D4C=JS=tan37.5°M
.77,ᑡ1ᓽF;át⚪.ADூ;<௃;=᪷Õ⚪âFP=NZM8=45°,.BD=AD,ᙠRt/XADCYDC=BD-BC=AD-4
in,ZDAC=31.5°,VtanZDAC=-^,AD

22tan37.5°=^A^0.77,AD;GAD*17.4m,.BD=AD^\1Am,<=²³ḄÁÂë17.4/.ூH௃I⚪ὃJ;%$%&Ḅdᵨ-Ñ%Ø%t⚪┦%$%íᦪOPQ;⚪ḄᐵR@¸îïÎZᵨðñ᪀⌼%$%&;át⚪¸îᵨ᪀ô1Ḅõöõὃt⚪.16.s2019•\ᓭ^ᦪ¸ᐶùºᑮú\û»üý¼½¾þ¢ᛛ
ᛛὅḄ.᝞ᡠᛛ஺Eᙠ55஻ḄECᙠ4ᜐᛛEḄ!"34°,'(AC*ᔣ,-210ᑮ28ᜐᛛ⚔஺Ḅ!"60°,7ᛛOEḄ.
9:ᑮ\m.;ὃᦪ>?sin34°C0.56,cos34°g0.83,tan34°C0.67,JC1.73ூὃL௃NO!P!QḄRᵨ-!U!V⚪.ூX⚪௃NO!P!QYᐸRᵨ.ூᑖ᪆௃ᵫP!^ᦪ7_AC=ߟb—-82.1d_BC=AC-48=61.1dᙠRt4tan34BC஺ᵫP!^ᦪ_C£>=«BCQ105.7஻3ᓽl_mᫀ.ூNm௃N?'ZACE=90°,NCAE=34°,CE=55m,.".tanZCA£=^,AC.•.AC=—®-=-^-«82.1/n,tan340.67'AB=2\m,.BC=AC-AB=6\Am,ᙠtan600=t=uBC

23ACZ=V3BC^1.73X61.1^105.7/T?,.DE=CD-EC=105.7-55g51᪷m?ᛛOEḄ|"51஻?.ூL}௃~⚪ὃNO!P!QḄRᵨNm~⚪Ḅᐵ᪷>!U!᪀⌼O!P!QᑭᵨP!^ᦪḄ7N〉.17.
2018•ᓭ20185ᨴ13ᨌᡃ⁂ẆᑴḄ00L4t…¡ᜧ£⌼ᔆṹᜮ¨©dᐵª«᡻ª®¯°±²…³8஺|306᝞,´LEᑮµ¶ᵬ¸BDḄ¹ºOE"6஻?,…»⚔´AᑮBDḄ¹ºAC,¼½/8AC=71.6°,NE4C=80.6°,¾¿À…»ACḄ.
ÁÂ9:ᑮ1ᜐ;ὃᦪ>?sin71.6°30.95,cos71.6°Ä0.32,tan71.6°g3.01,sin80.6°g0.99,cos80.6°Ä0.16,tan80.6°^6.04ூX⚪௃NO!P!QYᐸRᵨ.ூᑖ᪆௃ÅAC=xm.ÈEHLACÊH,ᑣbÌQÍQ.᪷>80=306,᪀Î*ÏᓽlNÐV⚪.ூNm௃N?ÅAC=x஻.ÈE_LACÊ”ᑣbÌQE//COÍQ."BD=306m,/.3.01X+6.04
x-6=306,N:x=38,m?»ACḄ"38Õ.ூL}௃~⚪ὃNO!P!QḄRᵨᐹ×ḄᐵឋÙÚÛÜÝᵨÞßà᪀⌼O!P

24!QNÐV⚪áÊὃÝὃ⚪t.18.
2020•ᓭâÊᓭḕäåæ᛻ᑁḄᐗêëìíîïᨬñḄᜩᦻíôõöᦻᓄ⍡ùú.û᪥ᦪÙýþḄÿ
ᵨᔁᑴḄḄ.᝞ᡠ
ᙠᙢ☢ᩩ!⍝#$%ᐜᙠ'(ᜐ*ᨬ'AḄ-.22°,ᯠ456ᔣ8916<ᑮ>'Nᜐ*'AḄ-.45°.Ḅ.16”.C1DEᨬ'AFGᙢ☢ḄCHIJKᑮ0.bn.OὃᦪRSsin22஺=0.37,cos22°g0.93,tan22°`0.40,&`1.41DbC2D“d'ef”gḄ.126”.hijklHIḄmnopqᩩrsmnḄᔠᳮᓄwx.ூὃ'௃{|}~Ḅᵨ--⚪.ூ⚪௃{|}~ᐸᵨbᵨ.ூᑖ᪆௃C1DAAD1.PMD,BCAOE,ᑣ~BMNC,~BMDE~*ᑮBC=MN=16m,DE=CN=BM=1.6m,E*CE=AE,%AE=CE=x,*ᑮBE=16+x,{|}~ᓽ*ᑮHbC2Dwx.S.¡rsmn¢£¤l¥ᙳ§Ḅ6¨.ூ{©௃{SC1DA஺8c40E,ᑣ~BMNC,~BMDE~:.BC=MN=16m,DE=CN=BM=1.6m,VZA£C=90°,ZACE=45°,...®ACE¯Ὺ|}~.CE=AE,%AE=CE=x,•••BE—16+x,VZABE=22°,.AE=BE^an22o,ᓽx=(16+x)X0.40,

25.,.X5^10.7772,.".AD=10.7+1.6=12.3(m),©Sᨬ'AFGᙢ☢Ḅ¶.12.3·(2)..•“d'ef”gḄ.12.6m,klHIḄmn.12.6-12.3=0.3(w),rsmnḄᔠᳮᓄwx.S.¡rsmn¢£¤l¥ᙳ§Ḅ6¨.MNPDூ'º௃k⚪ὃ»¡{|}~Ḅᵨ---⚪⌕E½¾¿À-᪀⌼|}~o{|}~.19.(2019•Ãᓭ)ᙠ®4BCÅCA=CB,NACB=a.'P☢ᑁÈÉ'A,CÊᔠḄË'.ÌÍAP,ÎÏÐAPÑ'P⌮Ó┐ÕÖa*ᑮÏÐOP,ÌÍA஺BD,CP.(1)×ØÙ᝞1,Úa=60°ÓÛḄ§1,|Ï8஺É|ÏCPÜᡠᡂḄÞsḄᦪCP60஺.(2)ßàáâ᝞2,Úa=90஺ÓhᑏqÛḄ§|ÏÉ|ÏCPÜᡠᡂḄÞsḄᦪCPoä2Ḅå~æçᳮᵫ.(3){é⚪Úa=90°Óê'E,FᑖìC4,ḄÅ''íᙠ|ÏEF#h|Íᑏq'C,P,஺ᙠî|Ï#ÓḄ§.CP

26ூὃ'௃Üï~ðᔠ⚪.ூ⚪௃ñòðᔠ⚪.ூᑖ᪆௃(1)᝞1ÅCP8஺ḄÏE,%ABEC'0.óç®CAPô®BAO(.SAS),ᓽ{é⚪.(2)᝞2Å%3஺AC'0,80PC'E.óç®D4Bs®%c,ᓽ{é⚪.(3)ᑖõöå~Sজ᝞3-1ÅÚ'஺ᙠÏÐPC#Ó4஺BCḄÏH.óçAO=£)Cᓽ{é⚪.ঝ᝞3-2ÅÚ'PᙠÏÐ8#Óî¨óSOA=Z)C{é⚪.ூ{©௃{S(1)᝞1ÅCí8ùḄÏE,%ABEC'0.1,ZPAD^ZCAB=60°,.ZCAP^ZBAD,'CA=BA,PA^DA,.♦.®CAPú®BAO(SAS),.PC=BD,ZACP^ZABD,'NAOC=NBOE,

27.ZBEO=ZCAO=60°,.•.Ð=1,|Ï8஺É|ÏCPÜᡠᡂḄÞsḄᦪ60°,PCᦑ©ᫀ.1.60°.(2)᝞2Å%BOAC'O,8DPC'E.2,ZPAD=ZCAB=45a,.ZPAC=ZDAB,...ý=ᙢ=&,ACAP:.%DABS/\PAC,.ZPCA=ZDBA,BD=M=A/2>PCACNEOC=ZAOB,.ZCEO=ZOAB=45°,þ|ÏBDÉ|ÏCPÜᡠᡂḄÞsḄᦪ.45°.(3)᝞3-1ÅÚ'஺ᙠÏÐPC#ÓBCḄÏÿH,:CE=EA,CF=FB,

28.EF//AB,.ZEFC=ZABC=45°,/%஺=45°,•NPAO=/OFH,•4P0A=4F0H,NH=NAPO,VZAPC=90°,EA=EC,.PE=EA=EC,.ZEPA=ZEAP=/BAH,:.NH=/BAH,VZADP=ZBDC=45°,AZADB=90°,.BD±AHf.ZDBA=ZDBC=22.5°,VZADB=^ACB=90°,A,D,C,8ᐳᙊZDAC=ZDBC=22.5°,ZDCA=ZABD=22.5°,.ZDAC=ZDCA=22.5°,.DA=DC,4஺=஺ᑣOC=AO=a,PD=J2a,ᙠRtAR4Z
EACḄ,:.PE=EA=EC,.ZEPC=ZECP,/CE=45°=NEPC+/ECP,.ZEPC=ZECP=22.5°,VZPDA=45°=ZACD+ZDAC,.ZDAC=22.5°,

29.AD=DC,஺=mᑣAO=ZX7=&a,...ᒹ_="=2-ᡃCPa+\/2᝞'3-2)Pᙠ+,CD/0123DA=DC,A£>=஻ᑣ஺஺=AO=a,PD=^Ha,2ூ8௃:⚪<=>?@Aᔠ⚪ὃDEFGHᣚJKLM@ḄឋOJῪQMLM@ḄឋOᐰJLM@ḄᑨTUឋO>?LM@ḄᑨTUឋOJVW⚪ḄᐵYZ[\]ᐰJLM@ᡈ>?LM@_`⚪abᵨᑖefgḄhihὃ`⚪<=ὃjk⚪.20.(2017•pᓭ)᝞'1,ᙠRt/XABCNA=90°,AB=AC,஺EᑖzᙠKA8,AC/AD=AE,|}஺C,M,P,NᑖzZ)E,DC,BCḄ.(1)i'1+,PMPNḄᦪᐵPM=PN,ᐵPMLPN(2)3AOEA⌮0┐ᔣFGᑮ'2Ḅ|}MMBD,CE,ᑨPA/NḄ@ᳮᵫ(3)Aᙠ☢ᑁ¢ᵫFG£AO=4,AB=10,¥Q}ᑏ§PMN☢¨Ḅᨬᜧ«.

30EBNCBNc'1'2ூὃ௃¬HᣚAᔠ⚪.ூ®⚪௃Aᔠ⚪.ூᑖ᪆௃°1±ᑭᵨLM@Ḅ+³§PM=´CE,PN=LBD,µ¶ᑨ§8O=CE,22ᓽ2³§¸g¹ᑭᵨLM@Ḅ+³§Pº஻CE³§NDPM=NDC4,ᨬ»ᵨ¼½ᓽ2³§¸g°2
ᐜᑨ§448஺¿/\4Á,³§BD=CE,1°1
Ḅ³§PM=LBD,PN=1BD,22ᓽ2³§PM=PN,1°1
Ḅᓽ2³§¸g3
1ஹᐜᑨ§MNᨬᜧ0Ḅ☢¨ᨬᜧµ¶Ã§AN,AM,ᓽ2³§MNᨬᜧ=AM+AN,ᨬ»ᵨ☢¨ÄÅᓽ2³§¸g.2ஹᐜᑨ§ᨬᜧ0PMNḄ☢¨ᨬᜧ¶B஺ᨬᜧAB+AZ
=14,ᓽ2.ூÆ௃°1±:P,N:BC;CDḄ.PN//BD,PN=LD,2:P,MC£>,OEḄJ.PM//CE,PM=LCE,2'AB=AC,AD=AE,.BD=CE,.PM=PN,'PN//BD,.ZDPN=ZADC,"PM//CE,.NDPM=NDCA,VZBAC=90°,AZADC+ZACD=90°,NMPN=ZDPM+ZDPN=N3C4+NADC=90°,

31.,.PM1.PN,ᦑÆᫀPM=PN,PM±PN,2
PMNJῪQMLM@ᳮᵫ᝞ÊᵫFGVZBAD=ZCAE,"AB=AC,AD=AE,./\ABD^/\ACESAS
,-.NABD=NACE,BD=CE,1°i
ḄᑭᵨLM@Ḅ+³PN=XBD,PM=1.CE,22.PM=PN,...PMNJῪLM@1°1
Ḅ³PM//CE,.ZDPM=/DCE,1°1
Ḅ³PN//BD,.ZPNC=ZDBC,'NDPN=/DCB+/PNC=ZDCB+ZDBC,.NMPN=NDPM+NDPN=NDCE+NDCB+NDBC=ZBCE+ZDBC=ZACB+ZACE+ZDBC=ZACB+ZABD+ZDBC=ZACB+ZABC,\'ZBAC=90°,.ZACB+ZABC=90°,-.NMPN=90°,.•.PMNJῪQMLM@3
1ஹ᝞'2,1°2
Ḅ³PMNJῪQMLM@,.♦.MNᨬᜧ0PMNḄ☢¨ᨬᜧJ.DE//BCËDEᙠ⚔A/☢ᨬᜧ=AM+AN,|}AM,AN,

32ᙠᧅ£±£AD=AE=4,ZDAE=90°,.AM=242>ᙠRtZ\4BCAB=AC=\O,AN=5
,.MNÎᜧ=2\/^+5⌱=7⌱S^PMN^=—PM2=—X^MN2=—X°75/2±2=—.222422ஹᵫ°2±VPMNJῪQMLM@PM=PN=D,2ᨬᜧ0☢¨ᨬᜧ...஺ᙠÔ4ḄÕ+/.BD=AB+AD=]4,ூ8௃Ö⚪¬HᣚAᔠ⚪×⌕ὃDELM@Ḅ+TᳮJῪQMLM@ḄᑨTUឋOᐰJLM@ḄᑨUឋOQMLM@ḄឋO°1±ḄᐵYᑨ§PM=1CE,PN=LBD,°2±ḄᐵYᑨ§AB/±g^ACE,°3±ḄᐵYᑨ22§8஺ᨬᜧ0Ḅ☢¨ᨬᜧÚ⍝ὃÜὃ⚪.

33ὃᓱᱏ1.ßàáḄᙶ᪗ßàáḄᙶ᪗.2.ᙶ᪗'@ឋO1ஹᑮᙶ᪗kḄäåæçḄᙶ᪗ᨵÔzḄ⊤êᙠëç☢জᑮxkḄäåîᙶ᪗ᨵᐵᑮykḄäåðᙶ᪗ᨵᐵঝäåòóôᦪ¶ᙶ᪗2õôᦪᙠᵫäåÃᙶ᪗0◤⌕÷/ា)Ḅùú.2ஹᨵ'@ÚûḄᙶ᪗Ã☢¨0üýVᔣᙶ᪗kþᚖ
ᯠᐵḄ
⚪Ḅ.3ஹᙶ᪗ᑁḄ!"#$ᑣ!"#
&'ᵨ)*+ᙶ᪗,Ḅ-.ᵨ“ᒘஹ⊡”3⚪.3.43056Ḅ7686#(1)43056Ḅ7686#Ḅឋ>?ᙠ7686#A
30°6ᡠDḄ76"E+F"ḄGH.(2)JKLᵫE"86#Ḅឋ>N
OPQ7686#Ḅឋ>
Rᙠ7686#Ḅᐵ⚪A'ᵨᩭ"Ḅ56Ḅ5ᦪ.(3)UV?জXឋ>7686#A4ᨵᱯ[5ᦪḄ6(30°)Ḅᱯ[]ᳮ
$7686#ᡈG`7686#abcᵨdঝcᵨf
⌕UVhi30°Ḅ6ᡠDḄ76"
jkF".4.EῪ7686#(1)mᩩ76"EḄ7686#opEῪ7686#.(2)EῪ7686#Gqᱯ[Ḅ86#
ᐹᨵᡠᨵ86#Ḅឋ>
sᐹᜓEῪ86#7686#Ḅᡠᨵឋ>.ᓽ?mv┦6x45°,F"|Aஹ6)ᑖஹF"|Ḅ~
8ᔠG
EῪ7686#F"|Ḅ~᜜ᙊḄHR,~ᑁᑗᙊḄ7(EῪ7686#Ḅmv6ᙳ45°,~ᚖ7+F"
ᡠmv86#ᙳEῪ7686#,ᑣmῪE)d(3)EῪ7686#ᑁᑗᙊḄHr=l,ᑣ᜜ᙊḄH/?=1,ᡠr?R=l?V2+1.

345.)*!"#Ḅឋ>(1))*!"#Ḅᭆ?ᨵmD"ᑖ)*Ḅ!"#op)*!"#.(2))*!"#Ḅឋ>?জ"?)*!"#ḄD"E.ঝ6?)*!"#ḄD6E.ঞD6?)*!"#ḄD6)ᑖ.(3))*ḄᜐᜐE.(4))*!"#Ḅ☢¢?জ)*!"#Ḅ☢¢E+RḄ£v£|Ḅ~Ḅ¢.ঝ¤£(E£)¤~(E~)Ḅ)*!"#☢¢E.6.¦#Ḅឋ>(1)¦#Ḅ]§?ᨵGv676Ḅ)*!"#¦#.(2)¦#Ḅឋ>জ)*!"#Ḅឋ>¦#xᐹᨵdঝ6?¦#Ḅ!v6x76?ঞ"?¨"ᚖ7dটD6?¦#ḄD6Edঠ¦#,D«¬#
AD«¬#.Rᨵ2ᩩD«,
ᑖ®D"Aj¯ᡠᙠḄ7dD«AmᩩD6Ḅ°j.(3)ᵫ¦#Ḅឋ>
±²ᑮ7686#ḄGv´⌕ឋ>
7686#F"|ḄAE+F"ḄGH.7.¶#Ḅឋ>(1)¶#Ḅ]§?ᨵG¨"E·¸ᨵGv676Ḅ)*!"#op¶#.(2)¶#Ḅឋ>জ¶#Ḅ!ᩩ"xE
!v6x76dঝ¶#ḄmᩩD6E
ᚖ7)ᑖ
·¸®ᩩD6)ᑖGD6dঞ¶#ᐹᨵ!"#ஹ)*!"#ஹ¦#ஹ¹#ḄGᑗឋ>.টmᩩD6º¶#ᑖᡂ!vᐰEḄEῪ7686#
¤f
¶#,D«¬#
ᨵ!ᩩD«,.8.,D«Ḅឋ>

35(1)᝞¿mv¬#ᐵ+À7D«
ÁÂD«,ÃÄGDDcjᡠ¯Ḅᚖ7)ᑖ.ᵫ,D«Ḅឋ>²ᑮGÅKL?জ᝞¿mv¬#ḄDcjḄ¯Æ¤Gᩩ7ᚖ7)ᑖ
ÁÂmv¬#ᐵ+ᩩ7D«dঝ᝞¿mv¬#ᡂ,D«
ᡃÈÉ⌕hᑮGDDcj
ʯRÈḄḄᚖ7)ᑖ
˱²ᑮmv¬#ḄD«,.(2),D«¬#ḄD«,ÌÃÄGDDcjᡠ¯Ḅᚖ7)ᑖ.9.ÍᢚÏᣚ(ᢚÑ⚪)1ஹÍᢚÏᣚ(ᢚÑ⚪)Ò>|Ë,D«Ïᣚ.2ஹᢚÑḄឋ>?ᢚÑGqD«Ïᣚ
RÓ+,D«
ᢚÑÔ¬#Ḅ#ÕᜧaÏ
×ØÏᓄ
Dc"Dc6E.3ஹᙠÒ▭⚪f
D+ᢚÑÛÜᩖḄ⚪±Ò▭Þʬ#ḄᢚÑ
᪵à+hᑮ¬#Ḅᐵ.✌ᐜãäᢚÑ,D«båæçèᡃÈ◚4Ḅ·¸±ᑭᵨḄᩩë.⚪f
ᡃÈ''⌕Ḅx
ᯠ᪷îᢚÑ,D«Ḅឋ>ᵨ4xḄïᦪð⊤òᐸôḄ5
⌱ö〉øḄ7686#
ùᵨúû]ᳮᑡýþᫀ.ᡃᵨ⚪Ḅᦪ.10.Ḅឋ(1)ḄᩩḄᔣஹḄ#$(2)Ḅឋজ'()*+᦮-./(01ᔣ234ᑮ()6Ḅ*+6*+78*+Ḅ+9:ᜧ<=ᐰ?@.ঝ6*+BḄC(DEFᵫ8*+BḄ/(D2H4ᑮḄIJ)DFKD.LMᔜOKDḄ1PQR?S.11.TUḄឋ(1)TUḄឋV—জKDᑮTUBYḄ#$?S.—ঝKD7TUBYᡠL1PḄᜳ\S]TU\.—ঞTU_ஹHḄ*+ᐰS.—(2)TU`⌕bVজTUBYcঝTUᔣcঞTU\d.—efV`⌕bBg⌕hfᦋj()*+k3l(᪵.12.ᙶ᪗7*+jᓄ-TU

361ᐵ]8DKsḄDḄᙶ᪗Px,y=uv-x,-y2TU*+Ḅᙶ᪗*+ᡈDTUxH⌕yᔠTUḄ\d:*+Ḅᱯ|ឋᩭ~TUHḄDḄᙶ᪗.ḄFTUᱯ|\d᝞V30°,45°,60°,90°,180°.13.jᣚᔠ⚪jᣚᔠ⚪.14.Q1ᑖ1Pᡂ1ᳮ1`ᩩQ1Jᩩ01ᡠ4ḄK1Pᡂ.VQ]`\+(Ḅ01ᐸJvᡈJḄ1ᡠ4ḄK1Pᡂ.21᝞(ᩩ01`\+ḄJvᡈJḄ1ᡠ4ḄK1PᡂIᩩ01Q]`\+Ḅ`.32Q]`\+Ḅ(R:ᐸJvᡈJḄ1?Ḅ01ᡠ4Ḅ`\+Ḅ`78`\+Ḅ`Kᡂ.15.?`\+Ḅឋ?`\+ḄV᝞J)`\+ḄKḄ?SK\?SIJ)`\+?.1?`\+ḄK\?SKḄ?S.2?`\+v+ḄᕜḄS]?c?`\+ḄK1PvKB1ஹK\ᑖ1ஹKḄḄ¡S]?.3?`\+Ḅ☢£ḄS]?Ḅ.ᵫ`\+Ḅ☢£¤¥:?`\+K1PḄS]?¦§?`\+☢£ḄS]?Ḅ.16.?`\+Ḅᑨ7ឋ1?`\+?+Ḅᱯ|©+ª.«?+Ḅ¬KḄ?S:K\?SJ☢c®¯ᩭJ)`\+?¡ᨵK\?SKḄ?S.2`\+?Ḅᑨ(0FBὃὃ²Ḅ³Dx(ᙠᑨJ)`\+?efᑭᵨ*+B¶ᨵḄ¤ᐳ\ஹ¤ᐳS◚¹ᩩ§ᐙᑖ»ᢵ½¾*+Ḅ¿ᵨÀÁ?`\+Ḅ(ÂÃFį¿Q1᪀⌼?`\+cᡈÇȽ¾*+K*+ÉQᑖஹOᔠcᡈ¿ÊË1᪀⌼?`\+ᑨ`\+?ḄÃᨵ̦ᓫÎÏᵨᨵ◤⌕ᔠᵨÑ

37FᓫÎÏᵨÒFᔠᵨE⌕ᐹᜓᨵḄᩩ¦.17.?+ᔠ⚪?+ᔠ⚪.18.0\`\+Ḅᵨv1į0\`\+ÕÖ▭Ø⚪BḄÙᨵᐵÚÛØ.᝞VÚl᧕0MÚÛḄᱥ-ḄdஹÚÞßSᐵàᙠ]᪀⌼0\`\+įÚÛ\Ḅdᦪ:ÚÛḄdáâᡠ⌕~Ḅᱥ-Ḅdᡈd.v20\`\+Ḅ(¯FVজãÖ▭Ø⚪äåæᦪçØ⚪vè☢*+᪀⌼0\`\+Uᓄæ0\`\+Ø⚪.ঝ᪷È⚪ê¶ᱯD⌱ᵨ〉í┦\`\ïᦪᡈ\ᐵðñ0\`\+4ᑮᦪçØ⚪ḄòᫀôUᓄ4ᑮÖ▭Ø⚪Ḅòᫀ.19.0\`\+Ḅᵨ-õ\ö\Ø⚪v1ᭆøVõ\FᔣùḄú17û1Ḅᜳ\cö\FᔣùḄú17û1Ḅᜳ\.v2üýØ⚪⌕þ\xÿḄᐵᑮᐵὶḄᨵ⌕ᡈᚖ᪀⌼!"⚪$%&'▭"⚪Ḅ)*+⌕ᗐ-./⚪01'▭"⚪ᑜ345ᐵ"⚪6$78.20.:ᓫ<=>Ḅ?@1BCᱥ>ḄE?ḄFG4HEஹJHKLMNEஹOHPQNJஹOHRS.@2BUVḄ<=>Ḅ?H44Ḅ:

38ᙊXḄ?H21.:ᓫYᔠ>Ḅ?(1)C:ᓫYᔠ>Ḅ?⌕[\]^_`abcdeCfḄ?.(2)?g%&hᔠḄ᪾j⊤lᱥ>mḄ%&P☢opḄq&hᔠ᪾Urᙠ%&P☢m.(3)Cᱥ>Ḅ?ḄFG4HEஹJHKLMNEஹOHPQNJஹOHRS.22.ᵫ?ᑨv<=>(1)ᵫ?cd<=>Ḅw✌ᐜzᑖ|᪷~E?ஹJ?O?cd<=>Ḅ☢ஹm☢O☢Ḅwᯠᔠᩭὃ⇋᦮>w.(2)ᵫᱥ>Ḅ?cd<=>Ḅwᨵ%Ḅ$$⌶^ᑖ᪆Hজ᪷~E?ஹJ?O?cd<=>Ḅ☢ஹm☢O☢Ḅw$<=>ḄKஹRஹNঝ'cd<=>VᑖrVᑖḄNঞ%:ᓫḄ<=>Ḅ?L¡ᩖ<=>Ḅcd£ᨵ¤¥Nটᑭᵨᵫ?C<=>ᨵ<=>C?Ḅ©⌮«¬¡®rv¯°±².