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2113.$¹ᡠdḄᙊᕜ$ூᑖ᪆7:᪷ᙊᕜᳮᓽ/c¼½¾.ூ3445•.•k1ᙊ¿ÀÁᱏdᢚcᑮᢚÄ.AB]$¹:•.•ÅÆIZIPÇᔠ:ÆI8Éᙠ$“a:᪗¼$aᙊÁᱏḄHIC,ËÌNC,᪷ᙊᕜᳮ/c:$¹ᡠdḄᙊᕜ$:AAC1BC,ᓽXC_La,s7᪷$¹ᡠdḄᙊᕜ$.ᦑ$¹ᡠdḄᙊᕜ$.©⚪⌕ὃ¬¤ᙊᕜᳮḄ;:ÎÏÐÑ$¹ᡠdḄᙊᕜ$ᐵ®.14.4ூᑖ᪆krI4sfuI:rI8sfuIC,᪷A,8ÒÓÔᦪÕ=1bÖ0xᙠ8▲ᑁḄ78aḄRI,᪷SØ/3CO=SAAOD+SÙ=S"OB+SzBOC9§"00=S480c=5,csØᑡ¼:4¼ᓽ/.ூ3445rI4s40fuI:rI5sBCLrfuIC,k•.•᪷48ÒÓÔᦪy=?%Öᙠ8▲ᑁḄ78aḄRI,yᫀ{12⚓:ᐳ50⚓
22S4/00=S&B0C=5'SØ"Be=S“0D+5Ø48=S“as+S«80c••SØÜDOS=S"0B',.k-4.ᦑ4.©⚪ὃ¬¤ÒÓÔᦪ ᦪÝḄÞßàá:ÒÓÔᦪ78aIḄᙶ᪗ᱯã:ÐÑäRG9·IḄåᔠ¶ᵨ:ᐸçèéḄê)4⚪ᐵ®.15.126cm2ூᑖ᪆᪷78/9:IPᑮ\ICX:48Ḅ☢î]6ïcn?,ᓽ/c¼Øð/3CḄ☢î.ூ45᪷78/9:Wx=4X:Itᑮ\IC,ñX:Ḅ☢î]6ïcm?,ᓽ"8CḄ☢î]6òcm2,ØðḄ☢î=2x“8CḄ☢î=2x66=126cm2.ᦑ126cm2.©⚪]óIᡂ³Ḅᦪ78ô*⚪:ὃ¬¤ᦪ78ឋ:4yXᶇàẆ÷óIᑮ\øùIúûᦪ78Ḅüᓄ.16.2022þூᑖ᪆yᫀ{13⚓:ᐳ50⚓
23ᐜ ῪḄX,⊤Ḅᙶ᪗ᐭᦪḄ ᪆ X; !ῪḄ?⊤⊈Ḅᙶ᪗ᐭᦪḄ ᪆ %&ᳮ !2022ῪḄᓽ+ ,.ூ/ 1A/BI=X,♦:OA1B12ῪOBi=x,ᑣḄᙶ᪗4X,X6,ᐭᦪ7 8x=lᡈx=04=6 •/@ABCῪ2ῪD42Ḅᙶ᪗4F,1+%6ᐭᦪIgf+gx,8yni2+M%=1+% 8m=2ᡈ%= 14=6&ᳮ+ A383=3,4N=4,: B2022A2022=2022,᪷PQRSᳮ8B2021A2022=2022®ᦑ20220.U⚪ὃXYᦪZ[\]^_ᔠ⚪ᑭᵨῪḄឋdeᦪḄᙶ᪗ᱯg2ᜐᳮU⚪Ḅᐵj.17.416254260.0431mᫀ!14⚓ᐳ50⚓
24ூᑖ᪆(1)ᐜ 8u50,60)wxyḄ☢{ᓽ⚣᳛0.08,ᵫḄ⚣ᦪ2,ᓽ+ 8᪵UḄ᪵UM(2)ᐜ 8ᐜ 8u50,60)ᦪPḄ⚣᳛ᓽ+ M(3)ᵨᑡ ᨵᑖᦪᙠu50,60)Ḅᭆ᳛.(1) 1ᵫ⚣᳛ᑖZu50,60)wxyḄ☢{0.008x10=0.08,ᓽᑖḄᦪP⚣᳛0.08,ᵫ⊤Ḅ⚣ᦪ2,.♦•ᦪPḄᦪ12+0.08=25M(2) 1!ᓽu70,80)ᦪPḄ⚣᳛1^=0.4,yḄ1᠗==0.04M10(3) 1ᑖu60,70)ḄᦪP⚣ᦪ25-(2+10+7+2)=4,¡¢ᔁᑖ¤¥¦§§§Mu50,60)¢ᔁᑖ¤¥q,©ª«¬Ḅᡠ¯°±²©ᔩ+\´4µḄ©Ḅ\a2b3*aU,V2*WW,V4X2b3*b2b#3b&,ᐳᨵ15¶,ᐸᨵḄᑖᦪᙠu50,60)¸Ḅ°±ᐳᨵ9¶93ᡠAᨵḄᑖᦪᙠu50,60)¸Ḅᭆ᳛º=1.U⚪ὃX⚣᳛ᑖZḄ»ᵨ¼ᓫᭆ᳛Ḅ ὃXᦪ¾¿2ÀẠ⚪.18.(1)ÂÃ᪻ḄÅÆ15ᐗ/ᓟÉ(2)ᡭᢚḄÂÃ᪻ᨬÍ18ᓟÉூᑖ᪆(1) ÂÃ᪻ḄÅÆxᐗ/ᓟÉᑣÎÆY((3000X-150)ᓟÉ᪷PᑭÏ=Ð-ᡂUᓽ+8ᐵÒxḄᑖ Ó ¸ÔÕÖ×ᓽ+8ØÙM(2)ᑭᵨᦪ=ÚÆᓫÆ+ !ᢇÜÅÂÃ᪻Ḅᑖ ᡭᢚYyᓟÉÂÃ᪻ᑣmᫀ!15⚓ᐳ50⚓
25ÝÆY(200-y)ᓟÉÂÃ᪷᪻PᑭÏ=Ð-ᡂUᓽ+8ᐵÒyḄᐗÞ ¸¬ᐸḄᦪᓽ+8ØÙ.(1) 1 ÂÃ᪻ḄÅÆxᐗ/ᓟÉᑣÎÆY(à-150)ᓟÉX᪷P⚪á81150x(1+40%)x+(ã"-150)x(1-20%)%-3000=750,x 81x=15,ÔÕÖx=152ÝÓḄ åæᔠ⚪á.(2)ÜÅ!ᢇÂÃ᪻Ḅᑖ3000+15=200(ᓟÉ) ᡭᢚYᓟÉÂÃ᪻ᑣÝÆY(200-y)ᓟÉÂÃ᪷᪻P⚪á8115x(1+40%)x(200-y)+10y-3000>1000,2 81.ᡠAᡭᢚḄÂÃ᪻ᨬÍ18ᓟÉ.U⚪ὃXᐗÞ Ḅ»ᵨAµᑖ ÓḄ»ᵨ ⚪Ḅᐵj21éêᐵëìíᑡᑖ Óe᪷PᔜᦪḄᐵëìíᑡᐗÞ .19.(1)45ï(2)131.5mூᑖ᪆(1)AᙊCᑓḄôõöᙊ÷øùÒP, û\ùÒ᪷P⚪á+8PO=145m,=55?ªý IḄÅý+81=I=gIÅþÿᓽ(2)8,ᚖE,ᚖF,NDOᔆ=90 EF=OD, !/8#=44.4 ᯠ'ᙠ)#*!8# +,-ᓽ.(1)/0ᙊ2 0/Ḅ456ᙊ 789:P,<=>?9:QᫀA16⚓ ᐳ50⚓
26ᵫ⚪H/PD=145,DQ=55,.PQ=PD-DQ=145-55=90,O4=OP=gp0=45I?L MNOPᱏ”Ḅ4S45z\B+BELMN,ᚖE,# ᚖ# ODX.MN,MTUV8E#WXV #=90°,EF=OD,ᵫ⚪H/408=120 400=14.4 MZBOF=ZAOB+ZAOD-ZDOF=44.4°.,ᙠRt^BOF*,BF=OBsm44.4°»45x0.70=31.5OD=PD-OP=145-45=100,EF=OD=100,BE=BF+EF=l3L5]m ,.•.Z[NP08Ḅ\8]ᙢ☢Ḅ`S131.5m.ᫀA17⚓ ᐳ50⚓
27a⚪ὃcd=efeVḄgᵨ ᙊḄij XVḄᑨi?ឋm fenᦪpqr.᪷t᪗⚪Ḅvqᩩxyz{|V}~〉Ḅ>W⚪Ḅᐵ.20.(1)415m,6m,☢90m?(2)4lojjm,m3ூᑖ᪆(1)+96᪷tMnᦪḄឋm x212[ ᐵ:xḄnᦪSḄ|¬®ᔣ°±² S³xḄ´ᜧ¶· ¸⌕154x418,ᡠ0x=15[ S»90,Z[ 415m,6m,☢90m2.ফᵫᩩxqS=9=200.<¼½¾¿4/,ᑣ/=6x+9y..”À—200ᵫ*=200,=——XA300=6x+9y=6x+9•V+v=6y[x-+27300>12073.xᵫÅÆᦪḄឋmÇÈ4,pÉᡂË,u—r202073Îᓃ[ x=1OA/3»y=—j=-----•J33ᦑ4106m,Im[ Ó¼½¾¿4ᨬ·.a⚪ὃcdᑭᵨᦪÕÖ×ᜐᳮÚÛgᵨᡂÜ ÝὃcdapḄgᵨᡂÜ.532■পáâã᪆ফᫀA18⚓ ᐳ50⚓
28ூᑖ᪆(1):Q,éêOE,ᐜ᪷tᙊḄᑗ>Ḅឋm0EL8C,ï᪷teðᑖ>Ḅij"BD=NOBE,ᯠ'᪷tfeVᐰpḄᑨiiᳮ?ឋmOD=OE,᪷tᙊḄᑗ>Ḅᑨiᓽá(2)<ᑖò9:M,N,éê# ᐜ᪷tᙊḄᑗ>ḄឋmஹXVḄᑨi?ឋmCE=ᡝ=1,8c=4,ïᑭᵨ÷øiᳮ/8=5,ᯠ'᪷t=efeVᐰpḄᑨiiᳮ?ឋmN04O=N/#=408=135 ᪷t|*ᨩúûᑖḄ☢p:5“ᶰ-SᡧV~~ᓽ.ூÿ (1)1/8OE,•••8CᑗE,OELBC,■80 ᑖ4BC,ZOBD=NOBE=-ZABC,2ZODB=NOEB=9(PᙠAOBD'2OBE(NOBD=Z.0BE,OB=OB:.AOBD=AOBE(AAS),0D=0E,.•.0*Ḅ,-.•.•OD_L/8,48*Ḅᑗ23(2)448ᑖ56M,N,9:Ḅ,-*1,/.OD=OF=\,•••ZCᑗF,:.0FLAC,AOFC=N0EC=90°=ZACB,>ᫀ@19⚓ᐳ50⚓
29 • DEFOEC9*GF,.CE=OF=\,♦••BE=AC=3,BC=BE+CE=4fAB=y]AC2+BC2=5»\OA=OAᙠHIO/O'([OD=OFRt^OAD=RMOAF(HL),AAOAD=AOAF=-ABAC,2ZOBD+AOAD=g/ABC+1ABAC=3BC+ABAC}=45°,ZAOB=l80°-(ZOBD+ZOAD)=135°,ᑣ(ᨩLMᑖḄ☢OPS“OB-SHᦈWON=^AB-OD-n-f32.A/ic/ocdUMDN236028R⚪ὃUVᙊḄᑗ2ḄᑨYឋ[ஹ]^Fᐰ`ḄᑨYYᳮឋ[ஹᡧFḄ☢Ocd`efghijᙊḄᑗ2ḄᑨYឋ[* ⚪ᐵl.22.(1]y=-x2+2x+3(2)mᙠ1ᡈ2(3)9Ḅᙶ᪗P(1,1)ᡈ,-2)ூᑖ᪆(1)r/(-1,0),B(3,0)sᐭு="2+v+3ᓽyz 3>ᫀ@20⚓ᐳ50⚓
30(2)ᑖNPC3=90'N3PC=90|}~]^FḄឋ[ᑡdz ᓽy3(3)zᱥ2Ḅ ᪆dḄP2x=l,4/(1,v)ecABFQNAB'EM,"Ḅᙶ᪗P(1,)sᐭᱥ2 ᪆dz ᓽy.(1)r4(—1,0),B(3,0)sᐭy=a/+/+3,a-b+3=09+3+3=0a=-\ ,b=2y=—+2x+33(2)4P(□v2+2v+3)(0ᫀ@21⚓ᐳ50⚓
31m=-nT+2m m=lᡈw=0(£¤)ঝN8PC=903,PK1.XCQhPK,ᑣ/PCQ=N8PKP3+/.\PCQ:\BPKPQBK---=---CQPK,**PQ=—m2+2w>CQ=m,KB=3—w,PK——irT+2m+3.-in1+2m3-m•,—31m-m+2z+3 □=2ᡈ7=-1,¦§¨v=2,v=-1*©ªḄ «v=-1¬ᔠ⚪¯°¤,3 m=2±²yemᙠ³´ᩩ¶ḄPᨵ|·¸ᙶ᪗P1ᡈ2.(3)y=-x2+2x+3=-(x-1)+4 ᱥ2ḄP-1,. .80=3-1=249(1,w)"5'"9¹,>ᫀ@22⚓ᐳ50⚓
32Z.NB'FM+NFB'M=90,fNBFB'=9°.NB'FM+NBFQ=90°,NMB'F=NBFQ.BF=B'F,NB'MF=ZBQF=90°\BFQ=\B'FM.B'M=FQ=m,MF=QB=2B'(\+m,2+m)sᐭy=-x2+2x+3,2+/«=-(1+w)r+2(1+m)+3, m=\,ᡈv=-2•••9Ḅᙶ᪗P(1,1)ᡈ(L-2)R⚪*⍝±ᔠ⚪»¼ᑮ¾¿ÀᦪḄ±ᔠஹ]^FḄᑨY¼ឋ[ஹᐰ`]^FḄᑨYឋ[ÂÃYᳮ`ef±ᔠឋÄÅÆ >⚪Ḅᐵl*Çvᔠ〉ḄÉÊ2.23.পÌ ᪆32 tanZAOC=—0বজN᪹=45'3ঝÏ=ÐBC2ூᑖ᪆Ñ1Ò¦ÓFDE`'|2ÔᚖḄᱯ᪀⌼I/8Eᐰ`Ḅ]^FÙÚᑮÛE`ÙÚ᪗⚪ᡠÝ⌕z.Ñ2 ¦ ß᪀à·áḄ]^Fâ¦ᔜEEäᔠÂÃYᳮá᪀àḄ]^F*>ᫀ@23⚓ᐳ50⚓
33^]^Fâåᑮ|ᩩ^Eæäᓽyzç᪗⚪⌕zḄᜳ^ḄÓᑗé.(3)জê᪵ ß2ÔC8ìC'/íᔠᑮ îDEFG8C,¦ îDEFᱯï'ÓFᱯï4GDð8£G,â¦ᐰ`e|^]^FñE`òNG8E=90ÙÚeAGEP`Ὺ^]^F3ᦑᡠz^õP453ঝ¦]^FÛEᡂĹÙÚç᪗⚪ᡠz2ÔĹ.(1)÷1, ß2ÔFGø8"64EK,1-1ᡠùᵫ ßḄឋ[FG//BH,•.•DEFN8CQ*ÓF.AB//CD,AB=BC,ZABE=ZC=90°,.••DEF89G”* îDEF:.BH=FG,,FGLAE,.BHLAE,:.NBKE=9k,.ZKBE+ZBEK=90°,,/ZBEK+ZBAE=90°,.ZBAE=ZCBH,ᙠA/BE'8C”(NBAE=ZCBHAB=BCAABE=ZC.'.mABE24BCH(ASA),.AE=BH,>ᫀ@24⚓ᐳ50⚓
34.AE=FG0÷2 ß2Ô8ø964EK,1-2ᡠù:ᑣDEFAC77ú*GFNAKF=/AEB,: FH=BC,NFHG=90, ,DEF/8C*ÓF:.AB=BC,NABE=9G,:.AB=FH,/ABE=NFHG,VFGUf, .NHFG+/AKF=90,,//AEB+NBAE=900,: /BAE=NHFG,ᙠI/BE'I/HG('/ABE=/HFGᫀ@25⚓ᐳ50⚓
35Z.ZAOC=ZFDC,4ÓFÿ Ḅᓫ1,|JAC=2,ZF=1,CE=2,DE=4,FG=3,£>G=4,ᵫᳮCF=Jc6+4=ᡭ+12=BCD=y/cE2+DE2=722+42=275>DF=^FG2+DG2=V32+42=5•.•(ᡣ+(2ম=5.CF2+CD2=DF2f.ZFCD=90°fCF/.tanZAOC=tanZFDC==(3)জ8COGᜐ GE, 3-1ᡠ!:AGPB 3 1ᑣNQA/C=NGQ£#$0GBe%&#$,:.DC=GB,•••#$ADCP'#$PBEF(%)*$.DC=AD=AP,BP=BE,ZDAG=ZGBE=90°:.DC=AD=AP=GB,: AG=BP=BE,ᙠ"G-.BEG/AG=BE
36NEGB+NAGD=ZADG+ZAGD=90°,.ZEGD=90°,.NGDE=NGED=45,.ZDMC=NGDE=450ঝ 3-2ᡠ!,.ZC)*$4OCPḄ78.AD=CD,ZDAC^ZPAC^Z£)MC=45°,.••./CD%:Ὺ<8=8$•*AC=yp2,4D,■:NHCM=NBCA,.NAHD=NCHM=ZABC,/\ADH<^/\ACB,.PHADAD2/I"BC~AC~y/2AD-2>⚪@ᔠBCD=8$ᐰ:Ḅᑨ-ឋHஹJK=8$Ḅᑨ'ឋHஹᳮ-LMḄNOPQRS%>⚪ᐵU.0ᫀ227⚓ᐳ50⚓
372022-2023 ḕὃᦪ ⚗ẚᔁ1W.⌱W⌱Y>ᜧ⚪10[⚪\[⚪3ᑖᐳ30ᑖ^1._`ᙢᳫcde☢gh361000000km2,361000000Riᦪᵨlmnᦪo⊤!()A.3.61X10°B,3.61X107C.3.61X10sD.3.61X1092.qᑡᔜtuᨵ)wḄ%()A.|-2|=2B.-2=-|-2|C.-(-2)=|-2|D.-|2|=|-2|3.ᦪx21ஹ12ஹ18ஹ16ஹ20ஹ21Ḅyᦪ-/ᦪᑖz%()A.21-19B.21-17C.20-19D.20-184.qᑡ{|᪗~%7 $Ḅ%YB.D.a2b-ah2—06.ᙠRt^ABC/ZC=90°,AC=4,AB=5,ᑣsiḄ%Y^234A.B.C.D.3457.qᑡḄ=ᩩᡂ=8$Ḅ%Y^A.3,3,4B.1,4,2C.3,4,8D.2,3,58. AB%0Ḅ<C,D,Eᙠ0c/AED=20°,ᑣ/BCDḄᦪY^0ᫀ228⚓ᐳ50⚓
38AA.100°B.110°C.115°D.120°9. ᡠ!Ḅ/y'xḄᦪᐵᡠ7Ḅ Y)10. Z^ABC'4AEF/AB=AE,BC=EF,জNC=NE¤ঝ.ADEs/XFDBঞNAFE=/AFCটFD=FB.ᐸ/)wḄ¬%Y^A.জঞB.ঝঞC.জটD.ঝট0ᫀ229⚓ᐳ50⚓
391.23⚪5ᜧ⚪67⚪+87⚪4ᑖ+ᐳ24ᑖ11.Wi°$Ḅ\Wi8(:²30ᑣRi°$Ḅᦪ.12.´tᑖ9x2-4=.13.*x?+2x-1=0¸*ᑮYx+m^X2,ᑣm=.14.ᙠWiuᨵ»¼Ḅ½¾/¿ᨵ5iÀᳫ2iÁᳫ3iÂᳫÃÄ◀DÆ⁐ᐸÈ(ÉÊ˾/ÌÍ᥎ÏWiᳫ%ÂᳫḄᭆ᳛f2,x—1>x+115.uᨵ:tÔ”,ḄÖ__.[x+8>4x-l16. Ü)*$ÝᱏABCDß7/ᡠᙠḄ<7ᢚáâãᢚäMN,æçBᢚèÝᱏéAêᙠMNcḄFᜐᢚäBE.ABḄ2,ᑣFMḄ.;ஹ=#⚪5ᜧ⚪ᐳ3⚪+87⚪6ᑖ+ᐳ18ᑖI71,_17.পY¤^i-6cos30°-4p+ᔊY2^*4X2+X-3=0.a-3518.ᐜᓄôæõöc+÷+2———^,ᐸ/a=3.2a-4a-219. ᙠRtAZBC/,NB4c=90°,ZC=30°Y1^üᙠ /ᵨýþÿ Ḅ“CḄᚖᑖ6c/CEᨵᑏᶇ 2 !"#$%&'()*+.>ஹ=#⚪15ᜧ⚪ᐳ3⚪+87⚪7ᑖ+ᐳ21ᑖ20../01“᰿345ᣎ”ᣎ89:ᑖ;<=?ᑖ@&50ᐗ100ᐗ150ᐗ200DᫀF30⚓ᐳ50⚓
40ᐗ300ᐗ.JKLMNOPQRᑖᣎ8STUVWXYZḄᣎ89:[ᑴᡂ^=ᨵ_ḄVW a ⊤cḄdefDgᑡi⚪%1JKLMPQḄᣎ8kᦪ;ka⊡ᐰᩩ+VW p2ᙠᡧ+VW c#100ᐗᡠtuᡧ+Ḅᙊ3*Ḅwᦪp3xyz./ᐳᨵ500k{|}?ᣎ8a~Wᣎ8:ᜧ;ᐗ?ᣎ@ABᔜEFᦪGH0050100150200300ᐗ21.kᖪᜓᵬஹ^1ᵬḄḄ5ᐗᐸᵨ90ᐗᵬḄᦪ|ᵨ100ᐗḄᦪ.1#ᵬஹḄᑖ@&ᐗ2zᖪᵬḄᦪ&Ḅ35zᖪᵬḄ;49ᐗḄ;55ᐗᑣḄᵬஹ^ᐰR¡¢£¤Ḅᑭ¦ᑭ¦=¡- '371ᐗa©ªW«#zᖪᵬஹ^ᔜ22.4⁂¯ᐝ±³´µAᜐ·ᓅ¹º60Ḅᔣ´¯ᐝ¼180½¾¿CᜐÀÁÂXÃÄÅÆᦑÈᓽÁX#ᦗdË.4⁂ᙠ´µÌºᔣBᜐḄ½Í"ᑮ#ᦗdËÏÐÆᦑᙠÑḄᓅ¹º37ᔣ.Ò8 Ó/=KELM1#½ÍÔÕÆᦑCḄÔÕBC.2½Í·40½¾/LÀḄÖw×ØᦗÙ#½ÍᑮÚÆᦑCᜐᜧᡠ◤ḄÀÜÝÞßà:sin53°~0.8,cos53°~0.6Oஹ=#⚪;5ᜧ⚪ᐳ3⚪+87⚪9ᑖ+ᐳ27ᑖDᫀF31⚓ᐳ50⚓
41k23. ãäy=—(x>0)ZkOABḄ⚔AñOBḄcC,ó8*÷AḄᙶ᪗X;(2,3),BE_Lx÷ᚖü;E.(1)ýþkḄÿ (2)D(3,m)ᙠADḄ᪆ 24.ᙠ0 ABᚖ"CD$E,&A'/DAF=/DAB,&D'AFḄᚖ,ᚖ+,F,-ABḄ./$P,12CO4./-$G,12EG.(1)78DF90Ḅᑗ (2)AD=DP,0B=3,;Ḅ/< (3)DE=4,AE=8,>EGḄ/.25.ᙠ@ABABCD AB=4,EᙠCDAC12BEஹDE,(1)1,'EMJ_AB-AB$M,IAE=@JBEḄ/ (2)2,'EGLBE-CD$G,78BE=EG (3)3,'EFLBC-BC$F,LBF=x,ABEFḄ☢O,y.IxQRSJyQTSS9UVWIABEFḄ☢OQTSJᙠEFQP,12BPஹPC,XTNBPC=45°,EPḄ/<.[ᫀ]32⚓ᐳ50⚓
422022-2023 ḕὃᦪ ⚗ẚᔁ(1)`.⌱`⌱(bᜧ⚪10e⚪fe⚪3ᑖᐳ30ᑖ)1.hiᙢᳫlm☢On,361000000km2,361000000qrᦪᵨuvwᦪxy⊤{,()A.3.61X10"B.3.61X107C.3.61X10sD.3.61X109ூ@[ᫀCூᑖ᪆8uvwᦪxḄ⊤{B,axl(rḄBᐸ lW|a|<10,n,ᦪ.nḄSJ⌕ᦪᡂaJeᦪUVnḄSeᦪḄᦪ.IᦪSᜧ$1Jn9@ᦪ IᦪḄSe$1Jn9ᦪ.[:8361000000ᵨuvwᦪx⊤{,⊤61x1.ᦑ⌱C.2.¡ᑡᔜ¤ᨵ@Ḅ9()A.|-2|=2B.-2=-|-2|C.-(-2)=|-2|D.-|2|=|-2|ூ@[ᫀDூ8A.|-2|=2,@ B.-|-2|=-2,ᦑ§⌱⚗@ C.-(-2)=2,|-2|=2,-(-2)=\-2\,ᦑ§⌱⚗@;[ᫀ]33⚓ᐳ50⚓
43D.-|2|=-2,|-2|=2,ᦑ§⌱⚗┯«.ᦑ⌱D.3.ᦪ¬21ஹ12ஹ18ஹ16ஹ20ஹ21Ḅᦪ® ᦪᑖ¯9°±A.21®19B.21®17C.20®19D.20®18ூ@[ᫀAூᦪ9ᙠ`²ᦪ¬ ³´µᦪ¶UḄᦪ¬q²ᦪ¬ 21³´2µ³´Ḅµᦪ¶Uᦑq²ᦪ¬Ḅᦪ,21. ᦪ9`²ᦪ¬·eᑮᜧ°ᡈ·ᜧᑮe±º»ᑡ½ᨬ ¿ḄÀrᦪ°ᨬ ¿ÁrᦪḄÂᙳᦪ±.ᵫÅq²ᦪ¬º»Æ,12ஹ16ஹ18ஹ20ஹ21ஹ21,.•. ᦪ9ᢥ·eᑮᜧᑡ½]3,4ḄÂᙳᦪ,819.ᦑ⌱A.b⚪ὃÊᦪ ᦪ.4.¡ᑡ-Ë᪗Í9ÎCÏBḄ9°±ூ@[ᫀCூÐ⚪ᑖ᪆8Aஹ¤ᨵ9ÎCÏBᦑÅ⌱⚗┯« Bஹ¤ᨵ9ÎCÏBᦑÅ⌱⚗┯« Cஹ9ÎCÏBᦑÅ⌱⚗@ Dஹ¤ᨵ9ÎCÏBᦑÅ⌱⚗┯«.ᦑ⌱C.Ñ8Å⚪Ò⌕ὃÊÎCÏBḄᭆÔ.Õ`rBÖ`ᩩᢚÙÁÚḄÛᑖÜÝÞºᔠqrBàáÎCÏBqᩩàáCÏÎqJᡃãäyåæqrBᐵ$qᩩ°ᡂαCÏ.5.¡ᑡèéêÕ@Ḅ9°±A.5x-x=5B.2x2+2x3—4x5[ᫀ]34⚓ᐳ50⚓
44C.-n2~42=-2n2D.a2b-ab2=0ூ@[ᫀCூÐ⚪᪆8A.5x-x=4x,ᦑ§⌱⚗┯« B.2x22x3¤ᨵ9ë⚗¤ᨵÜᔠ4ᦑ§⌱⚗┯« C.-n2-n2=-2n2,@;D.a2bab2¤ᨵ9ë⚗¤ᨵÜᔠ4ᦑ§⌱⚗┯«.ᦑ⌱C.6.ᙠRtZ\ABC ZC=90°,AC=4,AB=5,ᑣsiḄS9°±2334A.-B.-C.—D.`3545ூ@[ᫀDCôூ8@"=õᱏ÷ôAr4ᵫ⚪øTsin8=•—=—AB5ᦑ⌱D.7.¡ᑡ/<Ḅùᩩ>ܲᡂùDBḄ9°±A.3,3,4B,7,4,2C.3,4,8D.2,3,5ூ@[ᫀAூᑖ᪆úr⌱⚗ ÁᩩûeḄôḄ®ᜧ$Ḅôᓽy.ூ8Aஹ3+3>4,Ü᪀ᡂᦑ⌱⚗Bஹ4+2<7,ᨵ᪀ᡂᦑ⌱⚗┯Cஹ3+4<8,ᨵ᪀ᡂᦑ⌱⚗┯Dஹ2+3=5,ᨵ᪀ᡂᦑ⌱⚗┯.ᦑ⌱A.⚪#⌕ὃ&'Ḅ)ᐵ+ᙠ-ᵨ)ᐵ+ᑨ0ᩩ23ᔲ᪀ᡂ56ᨵ70⌕ᑡ9:ᨵ;<=⌕>ᩩ?@Ḅ23ABCDᜧFGᩩ23ḄABᓽIᑨ0Jᩩ23᪀ᡂ7:.KᫀG35⚓ᐳ50⚓
458.RABS0ḄUVWC,D,Eᙠ0XYNAED=20°,ᑣNBCDḄBᦪ\]^A.100°B.110°C.115°D.120°ூKᫀBூᑖ᪆cdAD,BD,ᵫᙊᕜ0ᳮIiNABD=20ZADB=90°,jkIli/BAD=70°,mᵫᙊḄᑁdo)pq⊡iᑮNBCD=110.ூtuvRcdAD,BD,:xyᡠpḄᙊᕜ{;...NABD=NAED=20AB\UV.,.ZADB=90°,AZBAD=90°-20°=70°,/.ZBCD=180°-70°=110°.ᦑ⌱B|⚪ὃ&ᙊ}ḄB~-ᵨᙊᕜ0ᳮDᑁdo)ḄឋSᐵ.9.RᡠḄ~}yxCḄᦪᐵ+ᡠpḄR\]^KᫀG36⚓ᐳ50⚓
46ூᑖ᪆ᐜ᪷~iᑮy=-2x+4,m᪷ᦪḄRᙶ᪗ḄWᦪḄឋឋᑨᓽI.ூtuu᪷~᧕iNxCḄᦪᐵ+<\y=-2x+4,ᵫ=-2<0IVxḄᜧk¡¢£x=05y=40£y=05x=2.ᡠ¤¥ᔠ⚪§ḄᦪRS⌱⚗D,ᦑ⌱D.|⚪ὃ&ᦪḄRឋ¨©ᦪḄRᱯ«᪷~i9Ḅᦪu᪆47E-D,Bp-----------1cA.জঞB.ঝঞC.জটD.ঝটூKᫀBூtuᑖ᪆᪷SAS¾9¿·NBC,¾9//@À/Á//À^:᪷;)p;¾9N/FC=/C,᪷;ÂÃᣚᓽIiᑮD4FE=ZAFC;᪷/£=/£NEDA=NBDF,ᓽIᑨ0zUDEs·È8DtuᙠA4EᔆDZU8C}AE=AB•:*NE=4BEF=BC,+"EFtMBC(SAS),.AF=AC,ZAFE=ZC,ZAFE=ZAFC,ঞ■:DE=4B,/EDA=NBDF,.4ADEs&FBD,ঝজটÊËÌÍ.ᦑ⌱B.WÎὃ&ᐰ;Ḅᑨ0ឋ{ÐḄᑨ0¨©ÑÒḄᑨ0ÓËSu⚪Ḅᐵ.1.23⚪(5ᜧ⚪67⚪+87⚪4ᑖ+ᐳ24ᑖ)11.Y7:Ô)ḄÕ7:×;F30ᑣJ:Ô)Ḅ)ᦪ\.ூKᫀ12ூᑖ᪆Ô)ḄD\360kÔ)ḄÕ7:×;F30ᵫÙ◀Ëi9Ô)Ḅ)ᦪ.KᫀG38⚓ᐳ50⚓
48ூtuu360°+30°=12,J:Ô)\ᓝÀ)ᦑKᫀ\12.|⚪ὃ&'Ô)ḄᐵSÍÔ)ḄD\360°.12.Ü<ᑖu9x2-4=.ூKᫀ(3x-2)(3x+2)ூtuÝ⚪u᪆9x2-4=(3x)2-22=(3x-2)(3x+2).ᦑKᫀ\(3x-2)(3x+2).13.Óx?+2x-1=0ßÓiᑮ(x+m)2=2,à!Im=.ூKᫀ1ூtuÝ⚪u᪆x2+2x-l=0,x2+2x=l,x2+2x+l=2,(x+1)2=2,ᑣm=1ᦑKᫀ\1.14.ᙠ7:ᨵâÍḄãä}åᨵ5:æᳫ2:èᳫ3:éᳫÑÒ◀'ê⁐ᐸì×{xjä}í§᥎97:ᳫSéᳫḄᭆ᳛\3ூKᫀ—10ூtuᵫ⚪§IiP(í᥎7:ᳫSéᳫ)=-------=—5+2+3103ᦑKᫀ\7.102x-l>x+115.ᨵ;<óḄuô\x+8>4x-1ூKᫀ2492x-l>x+l0ூtuu:x+8>4x-l@uᨵ;<জix>2.uᨵ;<ঝiö3,ᦑᨵ;<óḄuô\2?=@ᜧ⚪ᐳ3⚪ CD⚪6ᑖ ᐳ18ᑖ?17117.=1?FG)=*?a-6cos30°-ᨌO?°+ᔊ=2?%0R)4x2+x-3=0.3ூ ᫀ=1?1*=2?x=Uᡈx=-1.4ூ$%ᑖ᪆)=1?ᢥ᯿YᦪḄ[G\]^_[Gᓽa.ᫀb40⚓ ᐳ50⚓
50(2)ᵨhiᑖ%j%>ᐗlm0Rᓽa.$%)(1)ni=2—6x3—1+3_=2—3p—1+36=1*2(2)ᑖ%hiq)(4x-3)(x+l)=0,4x-3=0ᡈx+1=0,3%q)s=—ᡈs=-1.4t)ὃvwYᦪḄxᔠ[Gz%>ᐗlm0R {|}ᓫ Ḅ[G0j%⚪Ḅᐵ.<7-3518.ᐜᓄ} )->+(+2———),ᐸ5a=3.2a-4a-2ூ ᫀ—12ூ$%&⚪ᑖ᪆)ᐜᑖ ◀jj ᓄ}.a-3(Q+2)(Q—2)—5&⚪%᪆)ni[—ST—]2(—2)("-2)-3Q-2-2(a-2)\2-9Q—3Q—22(—2)(+3)(a-3)1=2(+3)11a=3 ni=al19. ᙠRtA/BC5 N4c=90°,NC=30(1)¡ᙠ5ᵨ¢£¤Ḅ0j¤¥/CḄᚖ§¨ᑖ©ª8c«¬ ª/C«E(ᨵᑏ¤j °ᶇ¤²)(2)³´µ)¶,;·-.ᫀb41⚓ ᐳ50⚓
51cBூ ᫀ=1 ¸%᪆*=2 ¸%᪆ூ$%&⚪ᑖ᪆)=1 ¤©¹ACḄᚖ§¨ᑖ©ᓽa;2 ᵫপqNCAD=NC,ᦑaµAABCsaEDA.&⚪%᪆)=1?ᡠ¾)(2)VZBAC=90o,ZC=30°¿)DᙠACḄᚖ§¨ᑖ©,/.DA=DC,.,.ZCAD=ZC=30°,VZDEA=ZBAC=90°,.,.ÀABC^AEDA.>ஹ=#⚪15ᜧ⚪ᐳ3⚪+87⚪7ᑖ+ᐳ21ᑖ20.ÁÂÃ_“᰿Æ>Çᣎ” ᣎÊËÌᑖÍÎm ᑖÐ50ᐗ 100ᐗ 150ᐗ 200ᐗ 300ᐗ.ÑÒDÓÔÕÖ×ØᑖᣎÊÙÚÛÜFwÝḄᣎÊËÌ ÞᑴᡂáÎᨵâḄÜF ¡⊤5Ḅåæ%çᑡé⚪)=1?ÑÒDÓÖ×ḄᣎÊêᦪê ¡⊡ᐰᩩ-ÜF*=2 ᙠᡧ-ÜF5 100ᐗᡠïðᡧ-ḄᙊÆ·Ḅòᦪ*3 óôõÁÂᐳᨵ500êö÷@mᣎÊ ¡øùFᣎÊúÌᜧûüýᐗþᫀb42⚓ ᐳ50⚓
52ᣎ@ABᔜEFᦪGH020-:1212-ion«-4n64mlIIIn,o50100150200300ABᐗூ ᫀ(1)50*(2)72°*(3)84000ூᑖ᪆(1)᪷ ⚪ᓽᑮᣎ200ᐗḄᦪᓽ⊡ᐰᩩ;(2)ᵨᕜ !100ᐗᡠᓰḄ%ᑖ'ᓽᙊ) (3)᪷ ⚪ᓽᑮ.ூ.//1প12+24%=50()⊡::ᣎ@ABᔜ᪵H0(ᐗ)(2)—x360°=72°.50(3)—(50x4+100x10+150x12+200x18+300x6)x500=84000(ᐗ).5021.BᖪDEᜓGHᵬஹKLMNHPQRᵬMNḄHS'KMNḄHSTUV5ᐗQᐸᵨ90ᐗGHᵬMNḄᦪYZᵨ100ᐗGHKMNḄᦪY[\.(1)ᵬMNஹKMNḄHSᑖ]^_Vᐗ`(2)RaᖪDGHᵬMNḄᦪY^KMNḄ3bV5UQaᖪDᵬMNḄScd49ᐗQKMNḄScdTU55ᐗQᑣGHḄᵬஹKLMNᐰfghiQjḄkᑭm(ᑭm=gS-HS)op371ᐗQqrsthaᖪDGHᵬஹKLMNᔜv_VU`ூwxyᫀ(1)45ᐗ(2)ᵬMN64UQKMN23Uyᫀ{43⚓Qᐳ50⚓
53ூ./~⚪ᑖ᪆11KMNḄHSdTUXᐗQᑣᵬMNḄHSdTUX-5ᐗQᵫ⚪ᑡhᐵpxḄQhxḄᓽ2GHKMNyUQᑣGHᵬMN35UQ᪷ ⚪ᑡhᐵpyḄᨵo,hyḄᦪ/ᓽh.~⚪/᪆11KMNḄHSdTUxᐗQᑣᵬMNḄHSdTUx-5ᐗQᵫ⚪Q—,/x=50.x-5xQx=50^ᑖḄ/Qᔠ▭ᦑKMNḄHS^50ᐗQᵬMNḄHS^45ᐗ.2GHKMNyUQᑣGHᵬMN3y-5UQᵫ⚪49-453y-5+55-50371,/23.y1GHᵬMN64UQKMN23U.22.⁂ᐝ¢¤¥¦Aᜐ!ᓅª«60Ḅᔣh¥ᐝQ®P80¯°±Cᜐ³´µ¶·¸¹ºᦑQ»ᓽ´h¶ᦗ½¾.⁂ᙠ¥¦w«ᔣBᜐḄ¯ÁÂᑮᦗ½¾QúᦑᙠÄḄᓅª«37ᔣ.1¯ÁÅƺᦑCḄÅÆBC.2R¯Á!40¯°/ȳḄÉÊËÌᦗÍQ¯ÁᑮκᦑCᜐᜧÐᡠ◤Ḅ³Ò.ÓÔÕÖ1sin530=0.8,cos53°~0.6ூwxyᫀ150¯°Q29ȳ.4ூᑖ᪆sÝCÞCDJ_ABâABãäåpD.ᐜ/Rt^ACDhCD=gAC=40¯°QCDë/Rt^CBDìQhBC=-----------50,ᯠi᪷ ³Ò=î+ÉÊᓽh¯ÁᑮsinNCBDᜧºᦑCᜐᡠ◤Ḅ³Ò.ூ./QsÝCÞCD_LABâABãäåpD.yᫀ{44⚓Qᐳ50⚓
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