2018年高考数学模拟考试试题好题100题含解析

《2018年高考数学模拟考试试题好题100题含解析》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。

⚪⌴11.AABCᑁ,AP=xAB+yAC,xஹyeR,ᑣy+2xḄ!"$.%&'(AQ=—!—AP=^^A8+U—AC,ᵫ0ᦪ23+44=1,஺ᙠ78x+yx+yx+y1+yx+yBC9.:;x+y=---<1.ᵫ>ஹyᩩ@A᧕y+2xe(0,2).AQ[x+y=V5+1ÞO,E,DTᐳ7]àᡂ`.2.sAஹBஹCஹDáqᳫâᐭäàI1,2,3ḄTqå¡lWæqå¡lçèâqᳫAஹBÅqᳫZéâᙠ¶å¡lWᑣZ¶Ḅâ&ᨵÉ.}ᫀ'30É

1⚪⌴41.ᙠh☢_Uᙶ᪗0xQylW\Aêa,“ëWPᦪy=Wx>0ëìx9Ò.ÐP,Aí§ḄᨬîÓÔI2`,ᑣᩩ@Ḅïᦪ஺Ḅᡠᨵ"I.%'ᦪ%᪆êðñᦪëòᨬ"f⚪=x+W
-2a^x+—^+2a2-2=+a2-2HIx>0,ᑣx+222,ᑖÅÉóô'X1
“22W|AP|.=Va2-2=2x/2,ᑣ=;IImin2
a<2WIAPI.=j2/-4<+2=2õ,ᑣa=-lIImin2.s5µïöᦟøᑖùᑮûüýḄ3qþïöWæþçè1µWᨬ|2µWᑣZ¶Ḅᑖùÿᫀᨵ.ᫀ90⚪⌴51.x,yeR,ᑣx+y+jx-2Ḅᨬ᪀⌼ᦪy=x,y=-|,ᑣx,x
'y,3ᑖᙠ2"ᦪ#$%ᦑᡠ()ᡂx,x
+,Ḅ-./0y=x+m12=>x2+mx+2=0=>A=/w2-8=0=>w=2\/2,y=22xᡠ3y=x+2456=x/7Ḅy,=-2Ḅᑗ9ᦑᨬ-.d=2Xᡠ3x+y
2+x_.JḄᨬ42.:ᓫ<⌕⍸?10<ᦟABḄ6CDE2"ẆGHᐸBᵬஹL<ᦟAMNOPDEᑣ⍸?ḄMO0Qᨵ.ᫀ140

2⚪⌴61.Sᙊ஺1஺2ḄWXᑖYᙊZ-|஺\஺2|=2,஺,஺2_`ᑗᙊZCḄbc᝞#ᡠeḄᩩgh9஺+«2.Z᳛ᑖq,e2,ᑣḄk2A.pq1BḄrᜧὅB.“q3BḄrὅD.x-z{«,஺2"ᯖᓽC=1~cq,OP`᜜ᑗᑁᑗ1J||caHcoJI=|R-LR+2l=-H~cO\,஺2OP2"᜜ᑗ2"ᑁᑗᑣ||cOi|—|c°21|=124-R2=+ᡂᩩgh9.I1:flh+zi|P4+=ߟ----p—Mr>r,,ᑣᒹ=r22ee11ee}2t2:I222.:¢£¤DE¥᪛⁚¨©ªᙇBᨵᵬஹLஹ¬3MOḄ᪛ª®B{¯5±ᑖ¥ᙠ᣸ᡂ2᣸Ḅ5"᪛ᙷᑁO᪛ªMN`´µ¶2"᪛ᙷq¶5"᪛ᙷ·Nᵬ᪛ªḄQᐳᨵ.ᫀ6⚪⌴7221.5gh9º-0"¼•஻ு஺/ு஺ḄÁÂᯖ3ᔊBÄXḄᙊgh9Ḅ2ᩩÅÆ9ÇÈM,gh9ÇÈN,µMஹNᙳᙠ¶2$▲ÍÄ9“6//ONPgh9Ḅ.Z᳛e,~ᦪ஻x=x2+2x-gᑣ஻e=.Ðb=>Ma,஻y=x/ak=—,ᡠ#k0N=ᡠ3QNḄ0Óy=—“Lx,FM1a+ca+c஻+c

3ÕNᙠᙊf+y2=஺2%,ᡠ3Ö¼L++2acJvvc2+2ac>ᡠ3/+2^_2e-2=0,ᡠ3/(e)=e2+2e-*=22.ᵨ0,1,2,3,4ßà"ᦪáâᡂãäåᦪáḄà<ᦪᐸBាᨵ2"Ꮤᦪᦪáᜳᙠ"᜻ᦪᦪá+,ß᪵Ḅà<ᦪḄ"ᦪᨵ".ᫀ28"⚪⌴81.A4BCḄìíîᑖ஺ïc,ᐸBícᨬîíµ1+2=1,ᑣcḄ{ñab5.ᵫ⚪óac,÷a+6=(a+Z?)p+)=10+9+£W16ᡠ3c<16ᦑþ%ÿ10Wc<162.5ὅ⌱3ᑖஹஹ⚗!"Ḅ$%&'()*⚗ᐸᵬ!-$%ᑣ!"Ḅ⌱/0ᫀᐳᨵ4.5:4849⚪;⌴91.ᙠ>☢@Aᙶ᪗DwyGHIAKLᙊf+P-4x=0(24x44)VḄ*WXIICᙠZ[Ḅ\]ZV.^QAOC=20aᑣICḄbᙶ᪗ḄcdfK.5gh4(2+2cos(9,2sine),C(2A+2Acos0,2Asin0),2>1,6>eᵫOAOC=20g2=——-——2+2cos஺ᡠuvw2•yz{“w5sin஺_5(sin^-0)e[-5,5]1+COS0COSe-(-1)2.1ஹ2ஹ3ஹ4ஹ5ḄyW'ᑖᙶ1ஹ2ஹ3ஹ4ஹ5ḄyWᐸᨵᨵWḄ{*ḄᙶK4.ᫀg204

49⚪;⌴101.I஺K@AMBCA8V*XIAC=3,BC=2,@AAABCḼCDᢚAB'QC{AADC᪀ᡂ@w☢AᑣᢚA9ḄᨬdK.5gI8'%ᵨE_LCD¡E,¢£BE,4E,-ZBCD=ZB'CD=a,ᑣᨵ8'E=2sina,CE=2cosa,NACE=ஹ-aᙠAA£Cᵫ§¨©ᳮAE2=9+48$2&-1285£8$[3-®=9+48$20!-12$°£8$&ᙠRT^AEB'ᵫ±²©ᳮAB'2=AE2+B'E2=9+4cos2a-i2sinacosa+4sin2a=13-6sin2aᡠu^=$aABc4ᨬd³2.1ᑮ10µKWᦪ·¸⌱c4Wᦪᐸ¹wᜧḄᦪK7Ḅ¼½ᐳᨵ4.ᫀg4549⚪;⌴11Ax-I-Z,4-11.GH¾ᦪ/ÀJw;WÂá·¸ḄÄᦪ.2%ᙳÇᙠu/ȳ®஻஽®,஻{®]ḄAËᑣÄᦪkḄcdfK.ÍÎz./\4'+%•2'+1k—15g/È^®=——Ñ——=1+-----;——4ஹ+2ஹl2ஹ+L]2-fÓgÈx®=---\----2V+—+1I3×2X^&21al—,ᡠu1VA:V43^/<1aØ4/ÈÞ<1,ᐸ^Ù^x=OacØᡠuÂá·¸ḄÄᦪß,V*3ᙳÇᙠu"xj,/È0®,/஺3®]ḄAË◤

52.ã,ᡠu×4<132äVå22.ᙠ*ᩩᓭᓅ0ᔣḄêë⊙"íᨵ8ᙽïðññḄò⁐å⌱ᵨôஹõ4ö⁐Â⌕øùúᙽñḄò⁐!ûô⁐ᑣ!"Ḅü⁐0ᫀᐳᨵ4.ᫀg5549⚪;⌴121.GH¾ᦪ/(Þ=/*/+ý*1,Âᐵ¡xḄ!Øÿ஻/(x))<0Ḅᑣᦪ«Ḅ./(x)=x2-2ax+a2-1=[A:-(6I-1)][X-(6Z+1)Jᡠf(x)<0Ḅ(a-l,a+l)ᡠ/(/(x))<0Ḅ«-1ᦪᐳᨵ>.@ᫀCCBCBG>C⚪E⌴131.G%HIᙠRKḄLᦪ/(“NOজ/(x)+஻2-x)=0Bঝ/(x)-/(-2-x)=0BঞᙠKḄ⊤ST/(U)=[Y7'"BZᑣLᦪ/(x)[Lᦪg(x)=Bg>oḄ\e(0,1]|]ᙠ^_[-3,3]KḄ`abᦪ.

62.(-1)5ḄfgT3/Ḅhᦪ80,ᑣᦪ”Ḅ@ᫀ2C⚪E⌴141./(%)HIᙠm᦮ᦪKḄLᦪ7NO/(1)=2015/(1)+/(2)++/(஻)="2/(஻)ᑣ/(2015)=./(1)+/(2)++q)="2q),/প+/ফ+=tTuvw/(n)=M2/(/?)-(zi-l)2/(n-l)/(")=஻Tᡠ/(«-1)n+1ᡠ“2஺/পᘤ¡2.ᦻ⌕AஹBஹCஹDஹEஹF8b;1⁚᣸ᡂ⁚ᓫ᝞⊤:¢£123456⁚᝞§AஹBtb⁚⌕u¨7©;᣸ᙠª3£«¬,®⁚ᓫK;1Ḅ᣸¢¯Tᨵ>.@ᫀ144>C⚪E⌴15I.tb±²ᔣ´7µ|=·=¸,+0,2e£'1ᑣ¼[a-¼Ḅᜳ¿Ḅ__________Áµµ·=1,ᑣµI2+PÃ(a¼)=9,ᑣᵫÆHᳮwcos(Ë-)=----2'=l-^y=-cos6>ÏÐ,1,ᡠcos஺Ñ-',3JL22Ôᡠpy,ᡠᵫÖ×ឋÙwµ,a-ÚᜲÜ2.(x-ᓱ)"ḄfgT3ªß⚗hᦪáâ6,ᑣn=_____@ᫀ12

7C⚪E⌴161.Lᦪ/(U=22,ᔠA={(#>|(/)æ(Jr8={(x,y)"(x)M/())},ᑣᵫABḄᐗê᪀ᡂḄ\×Ḅ☢í.A={(x,y)"(x)+/(y)S2}={(x,y)|(x+l)2+["8={(xy)"(x)v/(y)}={(xy)I(%-y)(x+y+2)42}ðñò"ómCôᡂõböᙊS=2ᐔ2.ᵬஹùஹúஹûübýþÿᒹ8⚗ᵬᒹ3⚗ᒹ1⚗ஹᔜᒹ2⚗ᐳᨵᒹ.ᫀ1680⚪!⌴171.ᙠ$%&1Ḅ()ABCA4.AE=gA4ᙠ☢ABCD.3456F,9:.+|ᧅᨬ?ᑣA5ᨬ?B&.CD()A8CD-A81GA⊡ᐰᡂ%)6GᐵL☢ABCDḄMN6&C2,OPEC2QR☢ABCDL46ᓽ&ᡠU6V9:4+Wভᨬ?.ᐸᨬ?BZ[|EC21.OPAG4G\]^_|AG|=6jApH-,ᡠcAABC&defegᡠc|ᦋi=j2.k(l+mx)6=4+஻rs+02s2++ax6t“1+6/2+03++«=63,ᑣxᦪmḄB66&.ᫀ1ᡈ-3

8⚪!⌴181.{|}~=1(4>08>0)Ḅஹᯖ6ᑖ&ὡ,ὡḄdᑖQ}~ḄᩩL6AQ.k6P[6QḄ.6tQ£_LQEᑣ}~Ḅ᳛L______.C4ᵫ⚪V|=ᨵ-,'],6P&6QḄ.66(-c,0),ᡠcQ1-+c,Jᡠc=4_”+¡᦮ᳮ_4/=/,ᡠce=2ca\cJCᵫ¤^|OV[ὡVḄᚖdRᑖ஺஺[RfA^Qg§¨.ᡠcNὡ஺P=NPOQ=NQOg=60,ᡠce=2Cfª,ᑣQ/f=(—c—,QF=^c-am,-bm)2ᵫQK±QF=>(-c—am,—bm)(c—am,-bin)=0,C_m=\2ᡠcQ(a«P¬ᡠc2=42.£,ᓽc=2a,ᡠce=22a22.¯ᨵᵬஹ{ஹf5°ᐸ.±5°.²³ᨵ᪗µᑖ&1ஹ2,3ஹ4ஹ5ஹ6Ḅ¶·ᓱᱏ¯ᵬஹ{ஹf5°.º»ᔜ34·ᓱᱏ9_ᓱᱏ¼Ḅ᪗µាᡂ¾ᦪᑡḄ3ᦪ&.ᫀ18⚪!⌴191.{|O&ᙶ᪗Á6R☢ᔣÃOA,Q8,OCÄÅÆ=2|஺8Ç4,OAOB=0,(2OC-04)(OC-OB)=O,ᑣMÈ®e[0,2ÉÊÈÄÅᩩËḄᔣÃOC,|(?C-cos0OA-2sin0-Ofi|ḄᨬᜧB&.CÍÎdeᙶ᪗ϪC(x,y),A(4,0),8(0,2)Ðljᵫ(2OC-OA)(OC-OB)=0,^x2+y2-2x-2y=0\OC-cos0OA-2sin0OB^=J(x-4cose/+()-4sin6)-

9ÑLᙊÓs-1
2+Ô-1
2=2¼46Õᙊ2+=16¼46OḄᨬᜧBᓽ&2+42.{|ᦪᑡÖ%,ØḄÙ⚗&4,=2"T+1,ᑣaC+/C+4CÚ++q,+C=ᫀ2"+3"⚪!⌴201.{|xᦪ4Cᡂ¾ᦪᑡ6V-3,0
ᙠÛdº+஻y+c=0aÜÝÞ&ßÔ¼Ḅàá6&M,k6NḄᙶ᪗&Ó2,3
,ᑣ|MN|Ḅ3Bã[.Cä&xᦪa,4cᡂ¾ᦪᑡᡠc2%=a+c,ar+by+c=0åg&2aᓡÓ஺L2e,᦮ᳮ&aÓ2x+y
+cy+2
=0ᡠcIÚÚ
஺'ᓽçÚ1ädè+é+'=஺ê6QÓ-2Ôëì¤í^_NPM2=90,|PQ|=2î6MᙠcPQ&dïḄᙊ¼ðÛMNḄ%ñ23FN-⌲&MNSFN+5BP5-V5

10ᡠy2—+984=0AB2ᡠ¹$4஺>᝞ᑣ<»¼½J¾ᡂ¿Ḅ0.9ÀÁ
ᡠᨵÂÃ⌱⚗ḄÅÆজ_4o0Éঞd>49Éট%>ᓽI01Ð_ᦪᑡ°4±0²³_Ḅ5³ᦪᑡᡠ<ÑᦪᑡḄ᜻ᦪ⚗pᏔᦪ⚗ÓÆᓽ

114>0a_>0,a<0Éq<0a_<0,a>0Éᡠ0«<0,Ôpு%),ᡠ<>obl(lq<0a<0,Ôᑁ>Üᡠ<<09¼ᔠᦪᑡᢌ“±0✌⚗_12Ḅ5·ᦪᑡ×ᦪᑡḄ²·஻<0,ᦪᑡ°"±0⌴ÙḄ.ᦑXb>b9l0A
yXজঞ¾0ᡂ¿Ḅ.2.2(5x-&)"ḄGHIḄᔜ⚗ßᦪàá_M.⚗Ißᦪàá_N,M-N=240,ᑣGHIJfḄßᦪ_.Qᫀ150S⚪T⌴24I.WXâᔠA=(x,y)|y=}2+2ã+1,8=(x,y)|y=2a(x+5),ᐸJa<0,b<0,$A80ᓫᐗçâᔠᑣâᔠ(x,y)|(x-«)2+(y-fe)2—24)x+(l—2a)=0y=2t/(x+Z?)A=(2Zj-2«)2-4(l-2aZ2)=0=>a2+/?2=1ᡠ<ᵫ7+"=1Xᙊï(஺,pèØḄ0ðᑖàᓫñᙊòM/W(ó⁐).>a<0,Z?<0×(X,y)|(x-a)2+(y_b)241ᡠèØḄéê0<õðᑖàᙊòMPN
Ḅ^_ᙊï<1_ö÷Ḅᙊ☢.ø
ᑮ»úhḄ¼û᝞éᡠü07&öᙊ(ABOpODE)
&ðᑖàᙊ(AOEF),ᓽéJýþ)cᒹḄᑖ஺ᡠ5=2•+=2124

122.2010ὃ17
ᨵ4ᙠᜩḄஹᓤ“!"#”ஹ“%&'(”ஹ“)*+”ஹ“,-”ஹ“.▤”01⚗3Ḅ4567ஹᓤᔜ451⚗369:#;.=ᓤ:4“,-”⚗36ᓤ:4“.▤”⚗36ᐸ?⚗3ஹᓤ@ᔜ45A6ᑣ:ḄC᣸EFᐳᨵHIᵨᦪLMNO.PQRᨵSc,dT145ᓤQ%&'()*+.▤ᓤQ%&'()*+,-ᓤ45ḄHUᨵHᓤᑖVUQUWX4.▤Ḅᓤ4Y,-6Z[\]1^_`a]1A:ᙶcdeḄf⚪6ᨵ2U⌱i.\UWX4.▤Ḅᓤ:4,-6Z[T1_`aT1A:ᙶcdeḄf⚪6ᨵ9U⌱iᡠᐳᨵjI2+9
=264Hk⚪l⌴251.=ᙠn&opy=x+fqrsP,tsPᔣᙊd+y-2O2=8wᩩᑗp6ᑗsWQ.=zᙠ&sM,ឤᨵ|M=|PQ|,ᑣfḄr}.PQopy=x+,qsPIXo6Xo+r
,sPMᙊḄᑗp|PQ|=/x@+xIO+/-2-8RMI,஻,஻O6ᑣ1PM=+9xo+t-n6@

13ᵫ⚪Qᱏ++62O2-8=/-triy+W᦮ᳮQI2஻-4"=I42஻2-2஻O/+a2+/+4I஻OW&s6PIXo6Xo+/
Ḅqឋ6ᡠ+஻2=0ᡠI2஻-4"=>+/+4ᔆ1ஹ1—2஻+4/\4ᡠ/=--------(஻-2)-I--------F2n-217n-2ᡠ6w-oo,-2][6,+oo
2.ᙠF6xḄ᦮ᦪᢣᦪḄ⚗ᐳᨵ⚗.NᫀQ4k⚪l⌴261.R“+ᓃ=2,6>0,ᑣ`a=6j+@rᨬ£}.2b_L+@=^^+@=¥+2+8*-+2fZB=6+iP:2b4b44b4\a\y4|^|b4`a>0`a<06¦+@=§+@=-¨+I©+=]23,`9ª`b=-2ar«¬2|«|b4|a|b41,4ab4ᡠa=-2,b=4rᨬ£}.2.2008ὃ16
ᵨ1,2,3,4,5,6ᡂ¯ᦪI°ᨵ#;ᦪLO6⌕²q³_´V1ᦪLḄ᜻Ꮤឋ:691·2_´6¸᪵Ḅ¯ᦪḄ1ᦪIᵨᦪLMNO.PQº⚪ᐜ᣸◀1·2Ḅᒕ?41ᐗ¿ᨵ2&-A¦=8HEᫀ6Àᔣ¸᣸kḄ41ᐗ¿Áᐭ1·2ᣊÄḄ᦮"6ᨵÅHÁÆ6j:ḄC᣸Eᫀᐳᨵ2¬=40H.k⚪l⌴271.Rx£R,/(x)=max|x2,x2+2x+2}+min{x+l,3-3x},ᑣÇᦪ/(x)ᙠRḄᨬ£}W.

14x2+x+l,x<-1PQ/(x)=max|x2,x2+2x+2}+min{x+l,3-3x}=,x~+3x+3,—IWxW—22<1x—x+5,x>2ÚÛÜÝÅ`9ª`x=-lÇᦪ“X)rᑮᨬ£}1.2.=(x+j)”FḄ⚗Fàᦪá·W64,ᑣFḄäᦪ⚗WXNᫀQ20k⚪l⌴281已知函数A满足=-/(x)+/(y)=4/çèéJ(x,yeR)íîI4/(-2011)=.PQïx=y=l,ᑣ/(O)=-ïy=-x,ᑣ/(-x)=/(x)ïy=x+26ᑣ/'(x)+/(x+2)=4஻x+l)/(-l)=஻x+l)òóᨵ/(x)=/(x+6)ᡠ/(x)ḄᕜõW6,ᡠ/(-2011)=/(2011)=/(1)=^2.(T÷ὃ)Eøù=/f+cḄ”,SCG{-3,-2,0,1,2,3,9a,b,cÿ
ᙠᡠᨵᡠ⊤ḄḄᱥᐳᨵᩩ.h2(•=!/+£,&⊤ᱥᑣ/K0,ᡠ*ᑖaah=-3,-2,1,2,30123ᑭᵨᑡ78.(1);஻=—3>஺=—2,஺=0,1,2,3ᡈ஺=1,஺=—2,0,2,3ᡈ஺=2,஺A2,0,1,3ᡈa=3,c=-2,0,1,2(2);A=3>a=—2,c=0,l,2,—3ᡈ஺=l,c=—2,0,2,-3ᡈ஺=2,c=—2,0,1,—3ᡈa=-3,c=—2,0,1,2*FG123ᨵ9ᩩIJᦑᐳᨵ16+7=23ᩩ(3)ᳮ;=2ᡈ8=2>Pᨵ23ᩩ(4);஻=1>஺=—3,c=—2,0,2,3ᡈa=—2,c=—3,0,2,3ᡈa=2,c=—3,—2,0,3ᡈa=3,c=-3,-2,0,2,ᐳᨵ16ᩩRFᐳᨵ23+23+16=621.A஻S,஺£{-3,-2,0,1,2,3},6⌱3ᐰ᣸ᑡᜧ=1201⊤ᱥᑣ஺Z0S஺0,⌕\]2஻=401

15^6=±2_6=`3>abIJᵨᑖcdefᳮgdeIJhᦪ3x3x2=18ᡠ*Ḅᱥᐳᨵ120-40-18=621.j⚪l⌴291.no;xe[l,3],pqr-s2”1ឤᡂvᑣaḄwxz{|ᔠ஻x)=|~-HḄᑖ;2a<1,ᓽ>a—\<1—,22;2a23,ᓽ஻2?>a-\<2a-3,஺22;Iv2nv3,ᓽ>6z-l<0,WW-2A;>ᯠᡂv;a>l>W|2a-x|>a-\x-2ci>a-\^Lx—2a<\—aᨵᯠᡈ/(x-%\Jininᡠ*ᡈaN23RFa<\^a>22.&(x+1)"=+4-px2+gx+1(஻GN*),Sip+q=6,ᑓKn=.ᫀ3j⚪l⌴301.no/(x){ᙠRFḄ᜻ᦪ;x>0>/(x)=d+(2—a)x,ᐸa20.&ḄxeRឤᨵ/(x-2V^)“X){ᦪᡠ*/(x—26)4/(x)ឤᡂv;—2A0>஺ᓽa>2>ᑣᵫgoGḄ«¬®¯°▐²³´2¬®¯°▐²³´¡2G¢£⌕¤¥¦§G¨©ªḄ¡2(“-2),®¯°▐²³´®¯°▐²³´ᓽ2N2(a-2),ᡠ*2

16RFgo0Wa442.“«¬®¯°▐²³´”·¸᝞ᡠq᣸ᑡº“«”»¼½¾ᐕÀÁÂÃÄÅᔣ§ᡈÇÈᔣÉᔣ¼ᑣ¼Ê᦮·¸Ḅ¼ᐳᨵ1.ᫀ29=5121j⚪l⌴311.Ìᦪ஻x)=d+2x+a,&ᦪ஻/(x))=/(x)ᨵ;ᨵ3᪷ᑣᦪaḄwxz{.l-4a>0Ï=ᑣ/+r+a=OᨵGp᪷KG,ᑣf+஽=-1Ò2=aÏg(x)=W+2x,&Óᦪ஻/,(S)=஻Sᨵ;ᨵ3᪷¾◤Óg(x)=f+2xḄÕÈy=ាᨵ×Øᐳ©ᡠ*ÙᨵᩩÈÚÛg(x)=d+2xḄ⚔©.ÝÌÞ__1ᦑᨵ=a-\,t=-a2ᡠ*á=(0—1)(—a)=aᡠ*a=02.âã᧡⁚æçf10⁚èéêᨬì8í~3⁚èî{⁚è᣸ᙠïP᣸ᙠᨬìðÍnÚ᣸jḄ10⁚èḄ
ñòᑣóæçḄ⁚èᓫḄõ᣸öᦪ1.ᫀ990j⚪l⌴321.&ᦪᙠ÷ª-2,-1Fᓫø⌴ùᦪ4Ḅwxz''j^-ax-aL2_{.{>=,"=--ü-“ᦪJᔠUU=x2-ax-a^.-2,--F⌴\Íឤý(ᡈឤþ)2n—1

173f-]஻€.ᨵᦪ⚗ᑣ”Ḅᨬ.2.&A⚗ᫀ:7⚪"⌴331.%&'ᦪ(6+*-eḄ-./0A,'ᦪy=lg82+4x+k+3Ḅ-./08,>B=A@Aᦪ*ḄC.DEA=[-2,3]42-4Mz+3>0fcc2+4x+A:+3>0ḄDL0B,M8=A,ᡠOPᨵ,54-540n-4cAM-3210A+1540ST⌕VW'ᦪḄ-./XY0Z.2.2011[\]^ὃ9ᨵ5aXbḄcᐸeᦻc2aᦪgc2aᱥᳮc1ajᐸklᙢn᣸᤮qᑮcsḄbtuvᑣbtwxḄcyXz{Ḅ|}ᨵ~ᵨᦪ.DtEc0AA2ᱏuC,012345Cᙠᨬ1ᡈᨬ5ᑣᒕacᨵ48AB”BABAᐳᨵ2X2X&X£=16Cᙠ2ᡈ4ᑣᒕacᨵᐳᨵ2x2x&x8=16Cᙠ3ᑣᨵ4x&x=16ᡠOᐳᨵ48~.DEᑖᡂtᐜAACacᐰ᣸ᑡᐳ4~j4,Xᐭᑖ¡¢.t¢0£AB4¤ᑣᨵ2x3=6~t¢0ᨵ4%¤ᑣᨵ2x1=2~ᡠOᐳᨵ82+6=48~DEᐸt¦§ὡx2-&ᔲὡ=48⚪"⌴341.%&OOA80«¬¬02,®O,Myᙠ¯¦A8v,AO=2.BM=\,ÀM°zᚖ«Ḅ²GEµFD,ᑣ|GEHFD|ḄC.DtE᝞»ᡠ¼NEMA=a[ae0,^11,ᑣNDMA=^-aON=sina,OP=cosaI)

18ᡠO|G£||Á=2V4-sin2a•2”—cos2a=4vl2+sin2a—sin4aÂsin?a=f£[0,1],ᑣ\GE\-\FD\=442+b--=4J,_Ã)+feெ8Å14ேDE|G£|•È=26-OM.2/4-0(=4412+02-OP2ᐸOM+OP?=OM2=1ᡠO|GÉ•IÊ=4^/12+CW2(1-CW2)=4-J12+ON2-ON4MONe[0,l],ᡠOËb|Ì஺Î[8Ï14]2.Ð&(x?-x-6)+x-6)=a஺+++ax12>ᑣ4+%+%=___.)2DE(x2-x-6)3(x2+x-6)3=(x4-13x2+36)ᡭÏÓᨵ᜻Õ⚗ᡠO4+%+%=஺⚪"⌴35XE4x,“t°,×஺+8>0,஺+(Ã>0,+4>0,ᑣ++/(c)Ḅ1.%&'ᦪ/(x)=-x2+4x,x<0()A.ឤ0ÚB.ឤ0ÛC.ឤ00D.£Ü-DE᧕ᑨßà(X)᜻'ᦪ×ᙠRvᓫâ⌴ãḄ'ᦪᵫa+h>0,h+c>0,c+a>0^J^a>-h,b>-c,c>-aᡠO/(a)>f(-b),f(b)>f(-c),f(c)>f(-a)ᡠO/(a)+f(b)>0J(b)+/(c)>0,/(c)+f(a)>0ᡠO/(a)+/S)+/(c)>02.᝞»ᡠ¼2008[ᓅᝍçèḄèéᐸḄ“Éᓺ''íîᵫï°XðñḄ⁐ᙽ᪀ᡂõOᵨ¯¦ᙠXö÷ᐸø⁐ᙽḄᩩújᐸûW¡ï⁐ᙽðüýᩭ(᝞bs᫑)
᝞ᵨᩩ⁐ᙽᩭ
Ḅᐳᨵ.ὃ⇋AஹBஹCஹDᙽ#$
ᩩ%ᐳᨵ&'Q:2P('
ᙽ#$)ᙽ#$%
ᐳᨵC=4(*'
ᙽ#$+,%
ᓽABCDᐰ᣸ᑡ
123ABCDA44DCBA567
ᡠ9ᐳᨵ:=122;<
ᐳᨵ16.AB

19*=>⚪@ABCD⚔FGHᐳᨵ6ᩩJKᐸMḄᩩF%
N◤◀Q᪀ᡂTDḄᩩᓽU.ᦑᨵCXY=16\⚪]⌴361._`abᙠR<ḄᏔfᦪ“Xjᙠk0,”j<Ḅofᦪ
p/3+lj4/vx-2jzJ3Ḅឤᡂ|
ᑣ஺ḄK512--------ᵫ⚪3
fvar+ljV/vx-2jzJ3Ḅxeg,lឤᡂ|+142-xzJ3ḄxeL1ឤᡂ|..2.'1,,3—a+—..■22,-|a+l|0jᨵ&¤F
ᐸM•Bo,\/ᜧ஺
\/ᡠ91-/=0,஻=±1'\/µ¶·
U`a=lஹஹ\///*x2—2a\x—a\—2ax+l=0<=>x2—2ax+l=2«|x—«|/
gvxj=x2-2ax+1,஻vxj=2a|x-a|ាᨵºᐳF
%ᔠ¼AU1-஻=0,pa>0,ᡠ9஺=1”2.ᵨ½ஹ¾ஹ¿À⁐QÁ¼M᪗ÃB1,2,3,…
9Ḅ9ÆCDv᝞¼j
ÇJ3&ÈÉvᨵºᐳÊḄjÆCDᡠÁÀ⁐ËÈ
p“3,5,7”ÃᦪÍÁÈḄÀ⁐
ᑣÎᔠᩩÏḄᡠᨵÁ⁐ᨵ.ᔆÑÑ2|ᔆÒ“3,5,7”ÃᦪÍÁÈḄÀ⁐
ᐳᨵ3⌱ÔT"2Á⁐ᨵ2
τ7I8IØ24⁐ᨵ1
1ᨵ2;24Ú⁐ᨵ1
1ᨵ.1ᦑÁÛ1,2,4ᨵ2xv2+lj=6

20ᳮÁÛ6,7,8Ýᨵ6;<
ᐳᨵ3x6x6=108\⚪]⌴381.Þ|or-l|=xḄßBA,Au[0,2],ᑣ¥ᦪ஺ḄK5|+1|=%<=>v஽2—1
á2_244X4-1=0vX>0jâa=lã
4=Xu[0,2]âa=-lã
A=0u[O,2]âa^±\ã/-1§2-2᝖+1=0ḄB11X=----=----------7஺+1a-\⌕ÇAu[0,2],ᑣ◤—<0—<0—<00<—<2“+1ᡈ”+1ᡈ"Tᡈva+æ—1—<00<—<20<—!—<20<-^—<2஻1a-\஻+1a-\^t,^a<-\or---22;—22*|ar-l|=x+1=xᡈ5-1=-xx>0jᑖèéêy="-l,y=x,y=—xḄ¼A᝞¼ᡠëᵫ¼U`a<-\or--—22-1|=xa-1=áᡈa+1=1xN0jJI_ᑖèéêìa_l,y=a+l,y=_L¼A᝞¼ᡠë
XI03a+\>-1ᡠ9ᵫ¼`2ᡈ“+]—îᡈ஻+140EiF£a-\>—a-\<02i3a<-1or———22

21â4=0ãïᯠᡂ|â4H0ã
ᑖèéêfᦪy=|ov-l|,y=xḄ¼A᝞¼ᡠëᵫ¼U`y=|ax-l|Ḅ¼AᨬòF[,()]Nõöᙠ÷øḄ¥ùᑖ2.(4x2_2x-5)(f+l)5ḄM
ú⚗Ḅᦪ5ᫀ30\⚪]⌴391._`¥ᦪ஺Ýc,âc>0ãüýbV2a+3஺pþ=/,ᑣÿḄb(ᓄ)ᵫ64()ᡠ0஺\<2x+3y1<2x+3x2,1GH=x,m=y,ᑣy>0==>x<-16>rx>—bbxw03y=x2z=x-2y=x-2x2ᵫ஻=2«2a+3coa-c
~K4Cஹ2o—1"⁐"3cc$/=”[T3],ᑣ&=M=-2''|+)=-2')1
+***+⚪1.-.ᦪa,6,c015c-3a

22b>a+c

23c,ᑣ2Ḅa.

242.3.ᦪa,6,c013a+cM4445ᑣ67£Ḅ_________.a-b3.3.ᦪ஺:c01aP=x,DL\BD=l-x,NBOP=18
-2a,/EᡠN£>PB=2a-60///\ᡠᙠABDPHᵫ.ᳮk~=Sߟpc?sin'2a-60
sin60>/3+2sin'2a-60
ae'0,90_,ᡠ2“-60=90,ᓽa=75=2^-32.'▷¡=ὃ_R^IJ¢£ᳫ¥¦ᐜ¨3©ὅ«¬®¬¯°ᑣᡠᨵ±®lḄ}'ᔜ^³¨©p*´p*}_ᐳᨵ.¥¦µᦪ¶n3µ¶V5µ3µᵬᡈ¸¹¨3µᐳ24µºᵬ¨ᑣ»{µHᵬ¨2µᨬµᵬ¨ᐳᨵC)=3*ᳮº¸¨iᨵ3ᐳᨵ65µ»4µᵬ¸ᔜ¨2µᨬµ¬®Ḅ^¨ᐳᨵ2C=12¼ᐳᨵ20.

25½5µ¥¦e¥f¨Ḅ^{¬R¯(¾ᡭḄ¥¦jÀ³)ᑣÁ⚪ÂᓄᨬÃḄ¬ᑭὅÅ5µ¥¦Æ⌱2µ³ᓽᨵC)=10Èd.ᡠᵬஹ¸R^ᐳᨵ2C)=20{ᵬ¨=1,ᵬ³=0,ᢥ᯿ÌÍᵬ¨ᡈᵬ³Rᑖ+ᑡ᪛ÐÑÒᑡ(ᵬ¨Ó®l{a1ᡈ{a0ÈÔ)᪛ÕÖ×ᐳᨵ10aᡠᐳᨵ20.v⚪w⌴41I.-/MGRØᦪ=X,g(x)=x2-2x+2w-1,ºØᦪ[1o,gx-)i>,y=j[Ù)Úᨵ6aÛᑣÜᦪmḄ.$g(x)=f,ᑣØᦪy=/[g(ᑗ-ßᨵ6aÛàáâ/")=஻?ាᨵ{aÜ᪷æç8(è=/ᨵ6aÜ᪷.Øᦪ/'(x)=/x+?xéஹ=᪷Ñêᨵ{aNᐸìᙶ᪗ᑖr”,plog(x-l),x>l2᝞ÑᡠïᐸHᨬḄ᪷4=-'ñ5

262.óᔠA={x|x=qxl03+a2xl02+/xl0+a},ᐸ
qW{1,2,3,4,Ki44wN,ᑣᔠA
ᩩ“%
ᨬqh%,43M3"4,4Rq”Ḅᐗ'ᨵ).+,⚪.ᳮ+0⁐2⚪3)4567849:ᦪ<ᜮ>|||@8)ᦪ+஻^(,`0)Ḅbcde(1,0),fghḄxeRjᨵ9kl-x-34/(x)+3x-lᡂq.rYᦪy=|஻x)|-/(x)-2,nr-2,“2ᨵJ)9:ḄveᑣwᦪxḄyz|}.+ᵫ⚪ᜳlX--3=2+3-1,+x=-l.x=_]-20a-2<0Yᦪ^=|/(x)|-/(x)-2nvc-2nrᨵJ)9:Ḅve2᝞+2஻5x£(-oo-2][l,+oo)._§C@"jᓽy=|x2+x-2|—x2-x+2-2mx-2nr=<,I?ᨵJ)9:ve—2.x—(2+2/zz~+4,xw(ߟ2,1)

27Ij®ᨵ2m2¯=Cᙠx£(-co,—2][l,+oo)±ᨵ■+C2%2—(2+2஻?)X—+4=0ᙠᡀ«-2,1)±ᨵ8+.ᵫ23+2஻/=0ᙠxw(-oo,-2][1,+QO)±ᨵC+Cᑗ"C2ᡈt%·1,ᓽ¸·2ᡈ¹4—1.τ)•ᵫ—2"2—(2+2x)"C2m2+4=0ᙠXG(-2,1)±ᨵ8+ºᓄ2x2+2x+4=2mx+2m2ᨵ8+ᓽE¼YᦪKC¼Yᦪ6ᑗḄ½¾¿᝱.“ᵫÁ=(2+2MJ+8(4—2«r)=0w=--ÂᔠbcÃ2,±Ä)ÅÄ1J2.r(/+£]”(஻€*)ḄE⚗ÈÉl
B5⚗Êᦪ⚗ᑣ஻=.ËᫀT=C4(x2)n4-(1)4=C4x2n-'2,2஻-12=0,Nn=65nnT⚪U⌴431.ᙠÍ☢ÏÐᙶ᪗Ómy
rÔeP(a,b)ᑮÏÖ4y=x,/”y=-x+lḄ×ØᑖÚ444+2&=2ᦈᑣa2+b2Ḅᨬᜧz.ÝC஻1_|«+M+4=d_1«-^12|«+^-1|4++22d4-++Þß=2àW|a-Z?|+2|a+fe-l|=4á`.âã᝞b})Íâ3ä438./+b2.åÍâ3ä±ḄeP(a,b)ᑮæeḄ×ØḄÍçᦑß(éyA’l2ᡈê(«2+^)_=y2.ᵫ0,1,2,3,4,5ë)ᦪ<.ìᡂ)ᦪ<9íî2,367Ḅ3ïᦪ.Ëᫀ60T⚪U⌴441.fðwᦪ஺ñòóôõ“Á”aAb=(a-b)2.WXwᦪx“wy=J(xAx)+x,+—»ᑣyḄᨬzt2

28k÷ðy=X+±Ḅepú%,yJKy=VT7±Ḅe஺ÿ,
Ḅᨬᙊ00,0y=x+gḄPXQJḄᨬ1.ᡠ#|஺&|=Q+1+'(=JxF+g+2>«2+2+,-.,ᓰ=10Wn=V2V2+2-12.5C7=G':6(஻eAT)-(3—+஺/,ᑣ4-4+஻2-+(-1)"an=•Hᫀ'256K⚪M⌴451.ᙠ☢QR2ḄA48CTE,FᑖXYARAḄTPᙠ\EFᑣPCPBrḄᨬY.]'^8cḄTR£,aPD,ᑣᵫ᩽ᓄឤghPCPB+BC=PD-—+BC2=PD+>^-+4444i0,-.,PD±BC0^j/,k+BC>=2J344\442.lm᪥᜜pqᨵ8stuὅᐸTᨵ5sᵱy3s᝕y{|T⌱3~l⚗Ḅ5⌕3~Tᨵᵱyᨵ᝕yᑣḄ⌱ᐳᨵ.Hᫀ'45K⚪M⌴461./(x)=(x—I)),8(=4/k1),4=2,(a-a)g(a)+f(a)=0,n+lnnnUb„Wd=3/(%)-g(%)ḄᨬR.]'(—k%)•4(஺,,-I)+(4,-if=0ᦑ4-1)(4%-34-1)=0£R¤ឤ1,ᦑ44ᵪ-3%-1=03%T=a(""T)

29§¨=t,ᑣª=3/T
=30k£|,«¬®r=lᨬ±ᦑ²,=ª=—ᳮভ162vnfmn32562.1—%2|஺Ḅ·¸gTḄqᦪY,᝞»·¸gT¼4r⚗½¼¾+2⚗Ḅ⚗gqᦪ¿ᑣr.Hᫀ'k10,2K⚪M⌴471.஺,cRÀ᦮ᦪᐵxḄÃÄ#?+x+c=0ᨵÆÇ¿ḄÈ᪷-Æ᪷ᙳᜧ--,ᑣa+b+cḄᨬR.2abÍ----+c>042]k'--—>--,ᡠ#ᓃ4ac>4bc,ᡠ#b>4c2a2b2-4ac>0஺k2h+4c>0,ᡠ#஺+4c>2b>8c,ᡠ#a>4cᡠ#ᨵa>h>4c⌕Ò஺+"cᨬ◤Òa/,cÔ¤Õᙢᵫ஺cRÀ᦮ᦪᡠ#^c=l,ᑣa>b>4.bᑣ×-4Z?>8,a+b+c>21>19,ᦑ,a=11/=70(a+b+c)min=19abÍ-----be>042a-2b+4c>0b1]'•--->—=>«a>bla2a>4ch2-4ac>0⌕Òa++cᨬ,◤Ò4cÔ¤Õᙢa>4a>bᵫa,ªcRÀ᦮ᦪᡠ#^c=l,ãIa>2b-4b2>4஺äå¤æçbRè®஻R鮤,a=ll,6=70஻+6+ê=192.ᨵ3ëḄìíî3sïð6sñἠᕒôëîõᜓks÷L,2sñἠᕒᑣᡠᨵḄù᣸ÃᦪᨵᵨᦪüHHᫀ'540

30K⚪M⌴481.x,y|x+y|=7x-l
2+y-l
2,ᑣx2+j2ḄᨬY.]k'|x+>'1=^X-1
2+y-l
2^xy+x+y-}=0ýå{þÆᦪáQ½Æᦪá½⌕hᑮᦪḄᡠᵨ.ᵫ44ᡠ2+21,WMX2+/>6-4>/2!"#$%&'()⚗ᵨᣚᐗ-x=a+b,y=“-bᡠ6r—b~+2a-1=0ᓽa+l
2-஻=2n1^-[=16789V+V=2/+:;<6789Ḅ=>ᙶ᪗A=B9CDḄḄ2E.ᡠFGHF”=J-1Kᓽx=y=&-lKf+L2ḄᨬNO66-4PQᵫ/-/+2஺"1=0S஻=஺2+2஺"120,ST"1ᡈa4-J"1ᡠx?+y2=2Va2+஻;=4/+4a-2=4Va+g[-326-4WX⚪V2011Z[\ḕ^ὃ;-x,y6`ᦪa4d+y2+b=1,ᑣ2x+yḄᨬᜧO6.⚪ᨵf#gᑭᵨᣚᐗᩭj.k6ᨵ()⚗ᡠ-2x=a+0,y=஺"lᑣᩩnX6o+%=1,q2x+y=2aḄrOt.22lyzcyz|2M2X<6uᙊᵨQwᣚᐗj;ci—cos0,ᡠ2a—cos0G-----,———gXᡂᑜ⚪qᑗ9j;"23τ5஺2Y,g---=1-------->0,ᡠ-----

31ᫀ:840$⚪⌴491.-ᦪ/V=+V2/7+1-“—2V4/€஻¡0;ᙠ£3,4¥¦§ᨵ"¨©=ᑣ/+஻ḄᨬNO6.ᐵ«Ḅ¬+V»+1*-4-2=0ᙠ£3,4¥ᨵ`᪷-/+=V/*V;;⚪°ᐵḄ±9஺Vᨴ-1;+᝞x+x-2=O>஺2/,2=r2Vr>0;ᨵ¸ᐳ=+ᓽ,ᓃ2|_<ᙠ£3,4¥¼ᡂ½ᓽr>:1-=¾£3,4¥¼ᡂ½¿À7r1ÁÂ"1;5"+1LÁᡠÅgVx;=£1,-x-2=te£l,2¥,ᑣg,++§=3"ᙠte£1,2¥ᓫË⌴Ì'+Î+4ᡠgV/;4ᡠ/+᮱='—;FÐHFx=3KrSÑ.1002.Ò4ÓᵱÕÖᳫ⌱¡4Ó᝕ÕÖᳫ⌱¡ÚKᙳᑖᡂÝÞßàᔠ7ᡭ⊤äåÚḄæåᑖçᨵ#Vàᔠ7ᡭè1ᵱ1᝕é1ᵱ1᝕ᵨᦪêë;.ᫀ72$⚪⌴501.ìí,îw=i,ᔣòcóôî-V”+“=î-◍ᑣî|ḄᨬᜧO6":|c-V«+fo;|=Pû-*|=>üýþÿ
ᳮ஺4=a,OB=b,AB஺ᡠ
£ḄCᙠ
஺ᙊ2
—Ḅᙊᡠ
!|Ḅᨬᜧ%&'2(|஺©+,4+,-|0஺1+02=1,ᡠ
◍+3453|஺4=,4=6ᓽa_L6;!L=2

32=>?!|-!+"!!-(4+ᓃ+|=!-03453஺CD!|=20IImax2.I%<(x+=(l+x+"’ḄNOPQx"T⚗ḄTᦪᑣᦪᑡX'ZḄ[஻⚗]^_ᫀ?—a⚪c⌴51⚪஻7,%f᦮ᦪhi஻a2+2=0ᙠjk(0,1+ᑁᨵnopqḄ᪷ᑣm+kḄᨬt%uvᑮm+2᦮ᦪx'ᙠjk5yz+2+{ᙠ᦮ᦪkḄᐙ⌕ᩩ+2>2>/5₹+1z>3+20ᦑmḄᨬt%6,᝕Ḅᨬt%7,ᑣ஻?+ᦇḄᨬt%13a⚪c⌴52⚪2x+y=1,++Ḅᨬt%'.=?Ix+&++2=m,ᑣx=□+"2m2_2-———+y=1᦮ᳮJ᪷y+=02m

33ᦑᵨᑨP=஻/4(0,z=>?x=஻cos஺y=rsin^,ᩩ¥ᓄ2஻cos6+/*sin9=1,ᓽᔆ=----------2cose+sin6ᡠ«ᦪP¥ᓄrcos^+r=8S0+1Ḅᨬt%2cos6+sin஺ᵫᨵ᳛¯°%±?28se+sin6=2cose+2+sin"2=2+Sin"2/,(´ᓫ¶ᙊḄ(f2+¸¹cos0+lcos^+1cos^+14᳛+ᑣஹ»ᵫ¼¯½ᦪ¯°%±:cos6+l=m/7/sin0+(2/w-1+cos0—1nqm?+(2஻z—>1=>/Á/>—2cos6+sin9Âu?ÃÄ-⍗ᑮ+ÆḄÇ᪀ᦑ¼¯ᣚᐗx=rcosy=rsin஺஺=¼?ᦪËÇᔠ,—#3x'O;P2x+y=lḄᑣx+Jf+J=po+p஻H!᝞Ó&'ᐺÕḄ“×ØÙ⚪”஺ᐵxܹ2x+y=lḄÝÞHrK0tà+ᑮáâḄãä1°|A*3x<0;P2x+y=lḄᑣx+Jf+yZ=PO_/>Hp\"|H]PO>OH=OB+2PH>l+PH_`PO-PH>1\\OXra⚪c⌴53⚪᝞Óܹèé☢a,ᚖì'0,fí☢îABC”Ḅïð4,Cᙠé☢aBᙠܹᑣ஺ᑮܹ4஺ḄãäḄ%ò'.?⚪v'஺'ófí☢î/WCDôõöᢝ08_L"pøpùúûᩭᣚ¶ýὃÿ
☢/IBCDᩭ஺ᙠ8cḄᳫ☢᝞ᡠ஺

34ᩭᑮ஺ᑮḄ!"Ḅ#$&'(ᳫ)Fᑮ4)Ḅ!"*+,ᳫḄ-.ᳫ)FᑮḄ!"/ᳫḄ-01ᓽ2&-2,23+25⚪7⌴54⚪ਭ:;la,beR,<=>?@04x41ḄAᦪx,CᨵᡂFᑣ|l()a+7q+|l(L-7qḄᨬᜧ$(.KLMNOᯠ|10a+7@+|10a-7q=max{20Q,14RS(T⚪UᓄWX,IMḄᨬᜧ$Zx=0Q[᧕ᑮ]41,ᵫ;y=ax+஻ᙠ0WX41Ḅ$`-1aḄbcS(d᳛“gᯠᙠ-2,2ᑁᦑX42jkZ஺=2,b=-lQmn#ᑮᨬᜧ$40KLoNp<$qrns஻0)=X41஻1)=|"+஺|41ᦑQ=w+4-x4|“+ὡ+ឋ|42,XKLM{|N}<=>?@-14x41ḄAᦪx,Cᨵp+b*|ᡂFᑣaḄ#$&(.᝞᧕M24a42~N⚪'(MᦪUoᦪX஺5⚪7⌴55⚪

35:;ᙊ0:f+y2=1A42JCḄ᜜ᙊtanA=2,^AO=xAB+yAC,ᑣx+yḄᨬᜧ$•KN᝞AOBCS஺AO=/L4஺ᑣAP'AO=2A8+2AC444“h“AO1ᵫBCDᐳ;+=1jkx+y=A=---:-:r=:122\AO\+\OD\1+|0D|OᯠZO£)#ᨬ$ᓽOD_L8CQx+y#ᨬᜧ$QAABCrῪ5-6x+y=45⚪7⌴56⚪:;ᔣ஺ᚖᑣ஺+b4+2஺Ḅᜳ¢£$Ḅᨬ$(,(o+b)(஻+2b)2…2a+2bKNcos^=,+¤஽+2@Jj+/faJ+1¦22§஺=x,b=y9©+ᵨ+4y2ᑣcos0='.——1>¨+4yx2+5«+4)2x2+5¬+45⚪7⌴57⚪:;ᦪ஺?@a+b+L2=io,ᑣḄ#$&(________abKNa+b=r,ᑣ4+2=10M.ab.°b9aஹ”¯s(a+b)1+9+—i216abᓽf(l()—)216,K2KY81qZ³Z஻=—,6=oQa+b=2FZ³Z஺=2,6=6Qa+b=S22

365⚪7⌴58⚪:;Aᦪ>0,}x+2y+J»=2,ᑣx+3yḄᨬ$(KLMN½¾ᦪLyfxyK/Á2+^-j,>0½¾ᦪL§Á1+1Æ:Á2+NÆ=1:3,K4=gᦑX+3”£,Z³Zx=*y=gQ#KLoN2(x+3y)-2=A,x+3Ay-x-2y-y/xy=(A-l)x+(3A,-2)y-yfxy>(2^(2-1)(32-2)-1jyJxy§Î1ÆÁ3Ï-2Æ-1=0,ᓽÐ1=3Qx+3y>y,Z³Zx==ÐQ#KLNᣚᐗ-a=G,b=6mT⚪Uᓄᱏ+஽஺+2஺2=2,W/+3Ô2Ḅᨬ$Ga=rcos6,஺=sin0,0e0,—»r>0»a2+3b2=r22ᦑT⚪¯Uᓄ:;cos2+ߟr2sin20+Ýr2sin6cos6=2,WḄᨬ$36-r,ß22°2.2°1.°°671jZE—=cos8+—sin஺+—Ð=sin8cos6=-+-s]n2஺+Mr23653I6s஺€0,-,ᦑ012.eç'32r22~êNëì¯⍗ᑮ஺2+ÁîÆ-Ḅï᪀ᦑᣚᐗ4=rCOS஺b=-^=sin0,10ᨴ1ßñßòKᨵXḄᜐᳮõL஺5⚪7⌴59⚪:;AABCüCP=J(G4+Cq,|cp|=g=1,0cABP

37A8CQCP=,ᑣ|C@Ḅ.᪷CP=gC4+C8,|“[481,!"A,B,Cᙠ$%&'$()%ᙊ+Ḅᙊ஺-CQCP=g,|C4=I,᪷ᢗ/Ḅ0123%Qᙠ)CḄ(ᚖ-QᙠABᦑ஺6PCḄ(ᚖ7ABḄ8-|CQ|=|PQ|ᦑ9⚪;ᓄ%=Cᙠ$A8%&'Ḅᙊ>?@A|PQ|ḄBᯠ=஺78Dᔠ@|)0,=1C78FGDᔠ@|PQ|minfL1axᦑᔣ+1I⚪J⌴60⚪ᙠLMN(cdPOPQB
RᑣST8PUACᡠᡂḄX%45Ḅ)ᨵ________[.A᝞^_LMNḄᔜ[⚔O◀B᜜ᑖefg=⚔Z|°78Ḅh7&ACᡠᡂḄXᜧQjQ45஺@%ekQB\τ\45஺@%e.II,Bᯠ7AC'ᡠᡂXḄLᑗ%oᦑᜧQ45஺[z-\/07ACᡠᡂXḄ%90,ᜧQ45஺BC£>'87ACᡠᡂXḄ%60,ᜧQ45஺C87ACᡠᡂXḄLᑗ%qkQ45஺2=Pr8'>?ᑮC'@XtrᜧQ45஺uᓄᑮkQ45஺gvw[ST45xyez=)ᙠ>?@{vᔊwXtrkQ45஺ᑮᜧQ45஺ḄuᓄᦑSTᩩ~Ḅᐳᨵ3[஺⚪ᯠqN019⚪eQᦪḄᙠឋgᳮO(XtḄuᓄuᦑᙠuᓄḄw(gᙠ[஺ᙠᜐᳮ⌱⚪@vᵨᑮ஺I⚪J⌴61⚪ᙠAABC(஺ACAB=AC=6,AD=4,AABCḄ᜜+஺ាᙠ8஺ᑣ3C=

382^AO=AAB+(\-X)AD^A.AB+-(\-A)AC¡%AABCjῪ£X¤ᦑ2=(1-4ᓽ2=|23ᦑᨵAO=-AB+-AC55«¬®¯@7AB°ᦪ±²³AB,´cos4=ᦑᵫ¸¹gᳮ´BC?=Afi2+AC2-2ABACcosA=54ᓽBC=376⚪Ḅ[ÁᙠQrjῪ£X¤ᑮA஺ᙠA8,ACMᔣḄᑖ±᪵ᓽÄᦪÅAÆ2oᐸÈÉᔣ±7᜜+ᔠ°ḄὁᝅÌ——²;Î஺I⚪J⌴62⚪Ï"Ð☢aU4Ó8¤ᡂḄÔ[Õ☢X(Ḅᐸ([%60,ᑣᙠÖ(w×gP7®[Ð☢ᡠᡂḄ☢Xᙳ%30Ḅ&/ᨵᩩ.ÛÐ☢aUÐ☢᜛wPḄÝOᚖ&QÐ☢Ḅ&ᑖÞ%,??,஻ᑣOà஻=6Oá&I7®[Ð☢ᡠᡂḄ☢Xᙳ%3O!;ᓄ%&/7ÝwᡠᡂḄXᙳ%60ᵫ“ãägᳮ”!"&/7ÝᡠᡂX%60Ḅ&ᨵ3ᩩ஺Ð☢ḄÝᔣ±Ð☢MᔣḄæ⊤஺“ãägᳮ”᝞^&è஻ᡠᡂX%஺ᑣ7&,"஻ᡠᡂXÓ¯Ḅ&/gᙠ&m,nḄXÐᑖ☢êXḄÛÕëU*Õ|_22íî_22íᐸ(87ï+6&/LI%&ð஻Ḅ®ᩩXÐ22ᑖ@ï6ᚖ&@´஺2I⚪J⌴63⚪ñ"ᔣ±a,òST|2a+3b|=1,ᑣaôᨬᜧ%஺Ý1OM᪀⌼Ý᪀⌼MO2a+382—O2a-3øf=24aI

39m.i>O2

407l2k2+4k+\6k2+4k+2,=---z-+------z----------.——+1=7l+k2l+k2l+k2,-2.᩽ᓄឤ('᝞ᡠLMNḄOP5G,ᑣCG_LMN,22MN22ᵫ᩽ᓄឤ('WAM-AN=AG------=AG-MG4/22\22=AC-CG\-9MC-CG222=AC-MC=AC-1=8-1=7P.Ḅ᩽ᓄឤ('ᨵ¡ᙠ£¤¥O¦§ᯠ〉ᵨ஺ᐸ¬®¯ᙊḄᑗᒘi²ᳮ஺^⚪`⌴65⚪bcA,55µ¶iᘤ-q=1&¹dºPḄᩩ»¼M5ᙊC.x2+y-22=l±Ḅ»PᑣḄᨬᜧF5஺,-1.vwx-KMXo%,¾¿%2+%-22=1ÀKAR,y,3%,-Á¾¿Â-Ã-Älo4M4=%-Åy-%Æ8=-□-Å,È%1O4

412235ëᦪᡠX஺=6^⚪`⌴67⚪bc(íᦪᑡñḄí᜛>1,ᐸó"⚗ö55"á&=2++1ᑣS6ḄᨬF5.,-1.ù(íᦪᑡḄú¬ûᐭý,0"i("g)2al(l-q)ᵫS4=2S)+1--------=----------+1þ=_/+2/_]\-q\-q7+1ᡠX56=-Tÿ
e-1Gq?-1,ᑣS6=f++3226+3/=3+1஺2ᦪᑡḄឋ#ᐭ%&'ᦪᑡᨵឋ#S4-$2f=*•.-$4/

420S4=24+11ᐭ2$6=3S2+—+3s24&'S4=252+1%+%=q+W+l2ᓽ%(/T)=l2&'4>12ᡠ@52>0ᡠ@56=3$2+(+322ᔲ+3,⎃=g஺323F⚪H⌴68⚪JKO:N+y2=4,PM(4,0),RSPḄTU(VWxYZᔠ)W஺\]A,B`P,ᑣMBMḄ᜜bᙊḄ☢eḄᨬgh'.j^—=2R⌕l᜜bᙊḄ☢eḄᨬgh2ᓽlRḄᨬgh2ᓽlsin/ABMḄᨬfsinZABMᜧhrA(2cosa,2sina),B(-2cosa,-2sincr)MA=(2cosa-4,2sina),MB=(-2cosa-4,-2sina)7AfTᵫ᩽ᓄឤ{KM4MB=MO"~^-=\6-4=n412I?3ᦑcosZABM=/.,___>-V20-16cosaV20+16cosay400-256cos2aஹ4ᦑsinZABM<—5ᡠ@ᐭI,ᡠ@2R=s>—45F⚪H⌴69⚪Kᦪᑡ,,Ḅ஻⚗ᑖ'S“,7,hc“=ajT“+b,jS“-a”-b”,$2015=2015,4015=2ᑣᦪᑡ%Ḅ2015⚗'.஻=12cஹi=q.4=S1.7]2,J=(Sn-S,T)Z+ভ-S஻—(S“-qT)=S”o—S஻ToT

43C\+C2+஺3++Cn=S\T\+(S2T2-S]7])+(S34-S2T2)++(^OIS^OIS-S2O\4T2Q\4)=^2015^2015=2014F⚪H⌴70⚪MBC2(2sinC-l)sin24=sin2C-sin28,iJsin(A_8)=ᵫ(2sinC-l)sin2A=sirj2C-sin2B^#2sin2/4sinC=sin2A+sin2C-sin2Bsin24+sin?C-sin2BᦑsinA2sinAsinCᦑ=j8ᡈ4+-3=422ᵫ]'¡¢2ᦑA-8=],ᡠ@sinA-8/=lF⚪H⌴71⚪ᙠAABC2tanAtan8=tan8tanC+tanCtanA,ᑣcosCḄᨬgh'.¥¦§¨“ᑗᓄª”sinAsinB_sinBsinCsinAsinC_sinC(sinAsinB^sinC(sinAcosB+sinBcosAcosAcosBcosBcosCcosAcosCcoscosAcosBJcosCab—1.e=a+—3ccosC2ab2222ab--cab2++cosC=----------=-------->—lab3ab3F⚪H⌴72⚪ᙠ°☢Tᙶ᪗³2rA,B,C´ᙊ/+µ=1¶·¸Ḅ¡P2¹ᙠº»ᦪ஻2¼OC^AOA+pOB,ᑣ½+஻-3/2Ḅh¿´.rÀV2/2CÁ,%/,ᑣ
+#=1,Â+'=1,Ã+4=1]´ᵫ஺஺=4஺4+஻05',%/=2Ä,Å/+஻Æ,/?2/

44ᦑ,`{°Ç·È1=½+É+2ᵯ(Ëᵯ+Ì')2%=4»+஻Í2ÐjÑ2j/ᓽÎÏ+»>2=4'஽+µ]'=0AOB=cos[-1,1]ᦑᐘ"+42+2A//N1,+[J-24஻<12+//>1EP-1<2-//<1,ÕÖ×Ø᝞Ú,Û᪗ÜᦪÝ+("-3)2Þ'×ØᑁḄPᑮ(0,3)Ḅáâ2>0,//>0Ḅ°Ç2ᡠ@Ḅᨬgh'ã=(äÐ=2Ia)ᡠ@ᵪ+(஻—3)~>2F⚪H⌴73⚪æ]çèTW3Ḅjᑗ»ᦪ3V{V—(/+/—3)x+/—3)>0ឤᡂê2ᑣxḄh¿'.SV{ᓄ'஺jë)@j(/j3)>0,•.♦/-«-3)=ë-/+3=஺-1)2+3-ì>0224x<2-3ᡈx>/2x<(t-3).=Tᡈx>(…)=9\VAmxPíî⚪¥¦Ḅïð´02Þ'ñᐗ20óÞ'³ᦪô2õö÷ᐵ]fḄV{´¡ùV{2VFᜐᳮ2ᡠ@î⚪Ḅ´0V{&{ᑖüᐜᓄþ2ᙠÿឤᡂ⚪஺⚪Ḅᜐᳮḕ2012ὃ⚪஺(2012ᳮ17)aeR,xு0ᙳᨵ(a—l)x—“(F—ax—1)20,ᑣa=.!⚪ᨵ"#$☢&'()*+ᵨ!⚪-ᵨḄ./ᩭᜐᳮ12஺345(஺-1)8-1஺2-9ᐵ;஺Ḅ<2=>?ᓽ᦮ᳮxe(*1)B52-91"Cxு0,ᦑ(a—%+W0,

45ᑣX—ᡠfx—L]X+1E0(tn-+(m+஻)2=k+'=1y=b(m+n)yab~^=m+n[b221=m+஻=—2N⚪O⌴75⚪Xl1mnoᔠMl1XḄqrsoᐗuḄoᔠvwx3জX&M,0&M-.ঝz;XḄg{soAஹB,EvBeMᨵAUMM}ঞz;XḄg{so4ஹB,EvBeMᨵAflBeM}ᑣMloᔠXḄ1“Moᔠ”᝞3M={0,{b},{c},c},{a,4,c}}loᔠX=ᔠb,1Ḅ1“Moᔠ”oᔠX={a,h,c},ᑣᡠᨵḄc}Ḅ“Moᔠ”Ḅᦪ.3X={஻/?,c}Ḅsoᨵ8:0,{a},{b},{c},{a,b},{a,c},{b,c},{a,b,c].M[0ஹ{"c}ஹ{a,b,c},5ᐗu{஺},},{஺},{ᐘᵨ{4,}/ᑖ஺{ᑮ{a,>}n{/7,c}={/?},[a,c}f}{b,c}-{c},{a,b}Cl{a,c}={a},ᦑ{a,஺}ᙠM[,ᑣ{b}ᙠM[,

46,c}ᙠM[Ij{c}ᙠM[ឤ}{a,c}ᙠM[ᑣ{0ᙠM[.ᦑz5ᐗuᙠM[Ḅ¡ᑖ3জ5£=hᓽMo={0{¦c},{a,8,c}},1}ঝ©{4}ஹ▬}ஹ{c}[ᔜh1ᐙᐭᨵ3}ঞ©{஺}{஺}ஹ{a,c}{c}ஹ{ᓃ}{c}[ᔜh1ᐙᐭMo,ᨵ3}ট©■/}{"■}ஹ{a,b}{b}{c},{a,c]{c}{a}>{a,c}{b}{c}[ᔜh1ᐙᐭ,ᨵ4}ঠ¸{a,b}{a,c}{஺}g}{c}ᐙᐭA/஺ᨵ1;ᦑᐳᨵ12N⚪O⌴76⚪lm¾ᔣÀvÁ=1,Á-30=2,ᑣÁ-24ḄᨬᜧÄl13ÅÆᦪVÇÈÉÊË=஻a-3b=v,ᑣ2⚪Ìᓄ“=1Ï=2,ÐÑḄᨬᜧÄ|w+vl_l+4+4cosO<9ᦑ஻+/<3\~2~\~4-Ü~~2~~2<3ÅJÞVÇÊßàÁ-஻Á1,Á/-3*2ḄJÞReᓽ|â=1,|AC|=2,⚪ãAA8CḄåæᑖçc/\1111bBM2b3b1é2,Ð[cAMḄêÇḄᨬᜧÄ஺2AMòÊᦑAM4ï2K3Åᙶ᪗VÇÊ4AABCßᡂ᝞ReôᑣiBᙠAᙊõ1ö÷ḄᙊMÈø/Ð[c40ḄᨬᜧÄ஺!⚪ùúYiûAÅO,OÊ,CÅ2,0Ê,8Åcosasin஺Êþ1+>ÿi...2AcosgYsin?஺59nllljAM/=1+----+-----=-+cos<9<-V2J4443ᓽAM«—2

47!"#⚪%&'ᔣ)Ḅ+⚪,ᝯᙠ/012ᦪஹ567ᙶ᪗:;<=>?@ABC஺&Dᙢ,ᔣ)FGH⚪,IJK%2ᦪ:;,LIJ%56MN,O⌕QRᵨᙶ᪗TU஺+⚪V⌴77⚪XYZ[\⚪ᙠAABC,ZBAC=9QP-0AB`&aᔣA4BC᜜Cca,dZBCD=2ZACbAD=AAB+juAC<ᑣN+஻=.h"iMᑮk%lᔣ)Uᦪm7,ᦑ/0ᵨ<ᐳpᩭr஺᝞t,uGv8cxyEᑣAE=x4B+y4C,}x+y=lAD=mAE=tnxAB+myACADᦑ4+4=m=-----AEAB=2,AC=a,ZACD=6,12ᑣtan0=-j=---,tan3஺=—,3+஻a2+0cr+2>/3tz+22Xd+a]tan30=tanX29+J=e+2t+2ஹa+03/+6+82---------------=&12+4iX4+@X6?+2a+2.y/3ci+2ci+5/3ᓽa?=4,a=2ᓽAABC%cῪ@<@,ᦑ448=135஺,ZAEC=\50|AE|\AC\2ᡠ0_!___!_=J__L=ᦑ=2+1sin1350sin150u-_4AD1-6ᦑ4+஻m=----AE2!"#⚪ᐭ%ᵫ<ᐳp,ᙠᜐᳮḄᑭᵨ<@Ḅᑗ¡¢ᩭᜐᳮᩩ¤Ḅ¥@ᐵU,L§⍝%ᔲᨵ«ḄI☢56§/0®V¯°AABC%cῪ@<@஺

48+⚪V⌴78⚪\CA+CB\(YZ[\⚪)´§(2C4-Cq(CA-2c8)=0,ᑣ¥~&\AB\hµ&"2ᦪJµᵫX2C4-CB69CA-2c8=0¶2c/+2cB?-5CACB=O22ᦑCACB=2C4·2CB-2i------------------2-----------2-------|CA+CB|CA+CBCA+CB¸+ᢝ+2஺4CB-ICA'+CB5=3\AB\CB-CAV|CB-C4|2\CA2+CB2-2CACB22-\CA+CB5hµ¥"56Jµᵫ(2C4-C8)(CA-2c8)=0/0º»᝞¼tḄ½0)£■ᐸ¿ᩩpᚖ,ᓽAE_L3£>,}AB`½())£■ḄÃp஺iMᑮGា+%K1DEḄÅÆ,ᡠ0ÇÈCGxyH,ᑣ“%ABḄ,^CA+CB=2CH\CA+CB\\CH48\AHτ\CA+CB\CHCHkÊ`ZWG`@<@ᦑGH=-4B=AH,ᡠ0&~1=——2ABAHGHCG2CHkG%ACDE■ḄÅÆ,ᡠ0——=-AB`ACZËḄÃp,ᡠ0&CF3CF2CA+CB\CHᡠ0=3AB\GH+⚪V⌴79⚪

49XÌÍÎ\⚪JÏÐG`1,M,P,Q`ÐḄ,ᑣ<Ð┵ᔊ-஺/஺ḄÏÕVwfPQ=---------hµ&"cÏÕØᣚ᝞t1,BglPQ,ᦑ᝞Ú=S½Ü,ᦑᓃW-.PQ=%_ὊxÞ᝞t2,ßADḄácᑖN,ᑣMN//6ä஺ᦑSAA/Q4=SyQBJVM-BIPQ=Vp-MBg=Vp-NB'Q=VRPNQT-&ᘤ•è*êᗲhµ¥"C☢Ḅu#JµḄ«⊭K%ᑭᵨ¿'<Ð┵ḄÏÕᡂîï,l»ð᧕lḄ<Ð┵ÏÕ,1òᑭᵨîïóôØᓄ஺iMᑮ<Ð┵4-MPQv<Ð┵Q-MPQ%ᐳö☢MPQḄ,ᡠ0÷øḄÏÕmîK%£ùᑮMPQḄúûvDᑮMPQḄúûmîX/"%஺᝞t,C஺ývAGḄuGpxyG,ÇÈMGxy“%-MPQ^D-MPQ=Hf@H=DH"HD2{᧕¶Gr>=’AO,ᦑ=1,ᦑAH:஻£>=5:12MA3u111111ᡠ1⚪⌴80⚪

5022ᙊC:+J=l"a>2$%ᙊO:x2+y2=/+4,ᙊCḄ+,ᯖ.ᑖ012B45ᙊ67.8%9.O:;ᙊ஺@M,NC.4DEᕜ.EH=6,ᑣrnn=6KLᐜᜐᳮᯖ.PQR4S|8ὡV஻q8ᵨ=஻4ᑣ,Y+Z=2஻4c2=\+஻2_2cosZ.FPF?mn}AZJZS/Z7QZ74஻~—4c?—12b~-31Kfcos/F'PF?=-----------=-----=-1233g|/WHPN|=RT஺ᓽ"i+1஺4
=K7|஺jk18o=&%+8/»,1ᦑPO?=m᎔+o)2=1m'r+M2+ImncosZ.FPF-2-6+2-6-|="2-2X23ᡠ1PMHPN|=/?2-|o8t=(“2+4)-(“2-2)=6⚪⌴81⚪"2012xy7z$S{|}~ᦪx>0,y>"$.D2x+W«x+2y$ឤᡂ,ᑣ~ᦪaḄᨬ11+/"g"'$=1+21+4=,mI,12G+4⍩+2ᑣg(4)=----------------K——-------------v71+21+2(72m+--4276-484mᦑaḄᨬ1KLᦪ

51⚪ᡠ2x+Wa(x+2y){4ᦪf+=Kfk=}22,ᦑ+<^/^+ᦑaḄᨬ1⚪⌴82⚪P<¡-*=1,£67.4ὡ,Bᑖ0<Ḅ+ஹ,ᯖ.4஺1ᙶ᪗9168PMPF.4F,P=A,PU>0),PN=ju——r+i~PNF2N=0.D\PF2\=2,ᑣூªª|ON|=_.KLᵫPN=஻¬+®i¯PNḄQ°ᑖ<±JPNF»N=Q,ᦑ²³´N>PM@K,ᑣḄQ°ᑖ

52ᡠáâãäåØæçᑮÙ4èã2+1=ᦪᑡ+2%+1—1%+1+1ê+1=2,ᦑ2+1=2",N=2"—1,Z>2oi5=22015—1%+1%+2%-T.ëL7ìᦪᑡ⚪2íîḄᱯÊ⌴ËᐵᡈÇ1ðñòóᨵ2015Ç᪵ᜧᦪöÛÝå,⚪÷øøᨵÖ×4ù᝞ᕜûᦪᑡᡈὅæýþÿ
ᦪᑡ⚗஺ᵫᱯᑮᡂ⚪஺⚪⌴84⚪A8C£>,A8=2OC,#$1+#AE=)IAC,+,-.C,O,E/0#1A,B3ᯖ0564/1469:;᳛eḄ?@BC________.34----------HI1-J4?ḄLᚖ-3NOP-AB3xORSPTᙶ᪗WᑣC£NJ_yO[A(-C,o),c(`,E^,%)(l+#(x°+c)=W,ᓽi=(A-2)cAhᵫ(1+4)AE=/L4Cd.2(1+1)'>0=1+7(l+2)y=2/?0(1)22[+,-mn3-o=1,ᑣᵫ0C,Eᙠ+,-q,a2b-ফ2-2?ᵫ(1)d7=--ߟ^=---1sᐭ(2)dI-b24a244(1+v1+22z3᦮ᳮde2-----=-2+----1-A1-A{3ᦑ74e2410,s/7

53HI[OD=x,OE=y.ᑭᵨᳮdDC2=X2+[-X;DE2=xi+y2+xy.sᐭCD2+CE2+DE2~;d212+N—x+y
+—g=0⚪ᓄ3Ḅsᦪ⚪Ix,ye[O2$x2+/
-x+y
+AT-1=0,x+yḄ?@B஺HI[x+y=f,ᑣ=2஻/336Cx,yCᐵzḄmnZ2TZ+|X2)]=0Ḅz[0,1]qḄᦪ᪷0<-<1'Hd௃¡¡211-t2336HIᵫ2$W+2
_$¢+N+£__[=0ᓄ¥d3=2x+y62-x+y
--2239"L+m13o0ᦑ042(x+y)~-(x+y)——<—(x+y)-24+2+V14Hd——

54HI⚪®¯Cᣚ±ᐗ³ᐵXḄmnµ2+3+4xl+N=0¶ᡂᐵ஺·ḄP-m+n[¸+£]a+/7+$/+!N=0,C᪗“2+/¼3P-qḄ0$஻½ᑮ¾0Ḅ¿:ÀmX+FÂ2Ã9¾0ᑮP-ḄᨬÅ¿:ḄÀm/=------—=^-^=/2+1+^—6>-$Ç91Ã2/+1È+151ஹx+-=t6X5#Ë5Ì=±19/+ᡝḄᨬ¬@3250ÏIÐÑÒÓÒÔÕdÖ×Ø.ḄÙ⍝ÛÜÝᐺḄᣚ±ᐗḄ⚪ᔩàáá¶âÙ⍝⚪ãᙠäåæçÒḄè⍝஺⚪⌴87⚪[ᦪᑡé4ê3ëìᦪᑡᦪᑡ⁐ê3ëÛᦪᑡq<“24a^<=>/-°2஺14-<32<02஺2>4
ᦑq+஽2>0=஺2>0$%&'q=1-(3%=0+ᦈ஺2n2=,=1+-=3+2-b?஺2.⚪0⌴88⚪23456789+2x+b>Ḅ=>?@,Aa”,ᑣEFḄᨬHI[aJa-b?—.=MNᯠa>0AA=4-4b,ᦑa>l>b,.⚪0⌴89⚪

5523ᐵVxḄWXX2+2alog12+2)+/_3=0ᨵ[\=
ᑣ]ᦪaḄI?.2=M_`WXNᯠab=WXcdef
ghijᩖḄlᦪmWXi⌕opḄq᪀sឋuᐭwᩭᜐᳮ
ᡃ|&}~_`lᦪ஻ᨴ=/+23082(/+2)+/-3Ꮤlᦪ
ᦑᐵV஺ᵫ⚪3lᦪḄ[\
ᦑᨵAᨵ/(0)=()='a=1ᡈa=—3ᨵ=Ḅ⌕
◤⌕஺
஺=-3ஹ/(Ḅ6[\
ᦑa=l.⚪0⌴90⚪lᦪ”=>+20¡4¢]ᦪf,ᙠ¤¥¦§-1,
+1%¨©ᙠ]ᦪx,x,ª'|/(¬)-/(ᑗ¡2:8ᡂE
ᑣ]ᦪaḄᨬHI?-t2=M8¯|/(g)-/()°8±²Ḅlᦪf(x)ᙠ¥¦§-1,/+1%Ḅ“´µ”¶ᵫfḄ¢ឋ&3
⚪·¸mlᦪḄ“¹º”ᨵᐵ
m»¼½ᐵ஺/(x)=ar2+20x+l4(a>0)“¾¿"Ḅ᪗Â45lᦪg(x)=ar?g?lᦪᙠÃÄ?2Ḅ¥¦ᑁḄ“´µ”ឤᜧV7V8,ᦑ¸◤“ᨬÈ”ᜧV7V8ᓽ&஺ᵫ45lᦪÊË
Nᯠ&}~¥¦ᐵVÌ
ÊË“ᨬÈ”ᦑ¸◤g(l)-g(O)N8,EPa>8.⚪0⌴91⚪237ÍᦪᑡaḄÏ⚗Ñ8?%=2",Ñc?qḄ7cᦪᑡÒÓÔ6">%("wN*)ឤᡂE
Ad="4,ᑣÑcqḄÕI×.=MᵫØ=4=8'஻=8q"Yoq᪀ᑖ᪆
7cᦪᑡÛÒᢣᦪÝlᦪ%ÞEḄ
7Íᦪᑡ4\5Ýlᦪ%ÞEḄ23ᢣᦪlᦪÊËm\5lᦪÊËßàᙠw=4ᨵ\`á᝞ã¸ᨵ_\`á
äåᢣᦪlᦪᐸçèᙠ\5lᦪ%Wé᝞ãᢣᦪlᦪmaêᨵ`á
äå/i=3ᡈ5Ḅ
ᢣᦪlᦪÊËëᙠaê%Wᦑ¸◤ÓÔì?2
ᓽᡝîï6'”ðï248.<75-4>10L43.

56.⚪0⌴92⚪ñ3ᙊ஺?ᓫ»ᙊ
48?ᙊ%
}AB?ö÷øW¹A3cD,ᑣḄÕI×.=Mû⚪ᡃ|ªᵨýᓄḄÿᩭ஺ᙠᙊ஺A,Bᙠᙊ஺஺AD,AB,A£>=4J஺ᦑ3A!"ᓽ$O2ᦑ'ᙊ஺A("$ᑮᙊOᓽ*஺Ḅ,-᝞/ᡠ2Zj\o1ᯠOQKOOKOQᓽODw67-1,:+1<=⚪?⌴93⚪ᙠABᦪᑡE4FG"2=5%=21Kᦪᑡ6L<ḄM஻⚗P*s.SS2,,+1-S“V'X6*J15Z[஻CN*ឤᡂ`ᑣbᦪcḄdegh.i஺=4஻-3,S=1+-4-+—!—n“54஻31m§2஻+1ᓽ----------H---------------F+---4—4஻+14஻+58஻+115Kf(/7)=——---1------FH---!—'74/?+14஻+58/1+1t*஻஻+1)-/(u=—5------—Ḅ*ᑣbᦪa=i⚪ᓄ*9-3Xxe(O,l)ឤᡂ`bᦪaḄe.

57iXeᦪᑖ¢£¤¥¦ᶍ¨i©ªᑖ«¬x3+---=«„-1-«»-2%+1=%-«„-|'"#$%&஺“+1=-«„-2ᓽ”"+3=-%/+6=anᡠ./0ᦪᑡ3ᕜ5ᦪᑡq=Ḅ=Wo=S9-510=6-5=19:;⚪ᐸ>3ᕜ5?ᦪᦋABᡂḄᕜ5ᦪᑡ஺ᑨEFG?ᦪ3ᕜ5?ᦪḄHI3“JKᕜ5”LM.ᨵOᑡP0QRḄS#஺(1)a,,=a“_"+%+«(">%)ឤᡂYᑣ7=6%Ḅᕜ5ᦪᑡ[

58(2)4=%_%.]+&(஻:>A)ឤᡂYᑣT=6cḄᕜ5ᦪᑡ[(3)…=3ឤᡂYᑣT=4kḄᕜ5ᦪᑡ[%+1(4)a=a_S.a„=a_(p>q>n,p,q,neN*),ᑣ7=2(p-q)Ḅᕜ5ᦪᑡ;n+ppn+qqn(ᓽ"ᩩijklᨵmᦪᩩijkl3ᕜ5?ᦪ)(5)a+a_=m^.a+a_=m(p>q>n,p,q,n&N*'),ᑣ7=2(p-q)Ḅᕜ5ᦪn+ppnn+(fqnᑡ.c/nopq⌕stuᜧwM.oᔠᕜ5?ᦪḄyz{|}~O%ᓺG஺ᯠ/⌴}ᐵ#ὃ᝞lP⚗ᩭ஺⚪⌴96⚪ᓫ⌴ᦪᑡ%+%+1+/+2=3¡-6,¢£=9|ᑣḄ¤¦23.a„+a„+a=3n-6,a+a„+a=3/2-3+1n+2n+l+2n+3"#$¨&a,-a=3l+3nᦑᦪᑡᓫ⌴ª◤qᓽM%=-3-q-Ḅ=-3-^i&q®#qvgq<-3-^|

59¢Ætan£=#¤&®K⚪⌴98⚪஻᜻ᦪ°±?ᦪ/(஻)=ீ/¢4=/(")+/(஻+1)ᑣ4+%+%+…+஻᝞6=_____-[-n2"Ꮤᦪ"᜻ᦪ"+1Ꮤᦪa=n2-(/i+l)2=-2??-1H஻Ꮤᦪ஻+1᜻ᦪa=-YT+(n+1)2=2/?+1na=—3,%=5=—7,g=9,n=—11>6r=13>...x574+4=2,£+4=2,ᓽq+g+tz=201620l6⚪⌴99⚪ᙠÏÐ1ḄÑÒÓ480஺-44஺4ÔᑖÖAGA4ḄÔ99ØᙠÑÒÓḄ⊤☢cÛÜᑣÝÞß5NᚖâḄ9Øᡠ᪀ᡂḄäåḄᕜÐ.æ⚪çª◤è9ᵨêâë8NḄᚖ☢ᓽMᚖ☢ßÑÒÓ⊤☢ḄìëᓽÜ9PḄäåᑖÖ¤CG,DDÔ9G,H,᧕BN_Lð☢AGHDtèMêð☢AGHDḄð|ð☢EFGH,9Pᡠ᪀ᡂḄäåᓽñEFGH,ᐸᕜÐßñòSAG஻DḄᕜÐ$®ᡠ.9஺ᡠ᪀ᡂḄäåḄᕜÐ2+ô9:;⚪Ô☢☢Ḅìëõö÷øᓽÜ9PḄäåᜐᳮü⚪Ḅᐵýᢕÿ☢ᚖᔠᳮᣚ஺⚪⌴100⚪£>Ḅᦪ/X,᝞"#ᙠ%஺&'/(1=/.,4/1ᡂ/0ᦪ/Xᙠ஺12“:rᦪ஺678ᑡᦪজ/x=Lঝ஻x=log2+2Eঞ/x=2vx>0Eট/x=cosGxe[0OᐸQR“7”ᦪḄUV2.ᑏ

60Xᡠᨵ[\⌕^ḄᦪḄUV)`,a=1+1=>1+1++0/+/+|=0,b<◊deᦪ`.•.জg2E7xt+\tঝ1082[஺+1)2+2]=10&(h+2)+10&3=>«+1)2+2=3(i+2)=>2"-2+3=0,b<0,deᦪ`.•.ঝg2Eঞ2'"=2'+2n2•2'=2'+2=>2'=2=>ᱏ1>0,.•.ঞ2E©cos[^(r+l)]=cosm+coskCOSR-1=COS(M+^)=cosm-l=-cosmcosm-lncosmE\"Me[0,K),m=q=>f=lট2ᭆ᳛o⚪ᨵpqrs⌕^tuvwxᙢᢗ{X|QḄ}~ᨵ2⚩}~Ḅᦪ7,ᑣ.ᙠ|Qាᨵ2⚩}~ᨵᝄ⚞⌱ᝄḄ᳛ᜧᝄA,᜜Ḅ2vᢗ{xEᝄB,᜜Ḅ1⚩}~ᓽ⚩}~Q⚩}~ᦪ7ᓽ.`⌱ᝄApv{2⚩}~¡¢Ḅᭆ᳛92¡¢{v}~Ḅᭆ᳛366⌱ᝄBᦪ7ᨵ£1+6,2+5,3+4.t{XḄq}~ᦪᑖ¥1,6,x,¡¢txe{1,6},ᑣᨵCECE=6£Etxt{1,6},ᑣᨵC1ᵨ=24.§¨'ᐸ©ª«2,5,x3,4,x
Ḅ£ᦪ¬Ḅᭆ᳛®"ᑮ=±஺0.41676312²1⌱ᝄAḄ᳛ᜧ.

61