-1-6112,,.2115324323115232243313,,2,.,,,.-2-2(90)*61*12345(1)223452,2,2,2,2,(2)ncosn-11-11(3)33.13.143.1413.1416(4)05*1122312-3-123n123n23323.4,?123,,,,naaaa()nN{na}1a12a2nnanna{na}-4-10*1.2.12345543213.{}na-5,-3,-1,1,3,53a6a15*6.1.1111a22a33a*()nannN1111a2020a-5-6.1.12212a222a332a2*2()nnanN11112a20202a25*nnan1.1nan1{n}22nna2{2}n.35-6-*1{na}12nna5n111122a221142a331182a4411162a5511322a24,.(1)5,10,15,20(2)1111,,,,24683-11-1114n1234na5101520551105215532054-7-5nan2412nan34(1)nna(1)nnacosnan23-11-1131645{3n+1},,1234na12141618112211142211623118241234na-11-111(1)2(1)3(1)4(1)-8-.akk31ak.31nan.161631n*5nN16{31}n5454531n*443nN45{31}n-9-50*1.4123nna2nann)1(2.4,1-1135(2)13,16,19,112(3)12,34,56,78.3.12562{}nn65*-10-123n123n75**222{20}nn,85*(1)(2)61A61B(3)-11-90-12-6212,.,:daann1().1,.,.,.2,.,,,,1nanda-13-2(90)*62*5510152011357922(1)522205*2-14-dnad1nnaad,10*12-5255,121da751212daa25723daa35234daa.85345daa45*1nnaad6.1-15-1.na58a2d88a2.11,8,5,2,10.25*1101?6.1101,10130*nad,11aa,21123daddadaa,12daa-16-,11.naand(6.2)na1ad6.2.{}na112a5d12(1)(5)175nann101101175101488a,na1and.35*2,17,11,5,150.,321134daddadaa-17-,615,1121aada,766)1(1)1(1nndnaan.76nan.293750650a3na,,48100a,31d.1a,31d11(1)3naan10048a1148(1001)3a115.a23100n48,na13d4,120,45,.45-18-,da,a,ad,a,.da,a,da,ddadadaada54,12025,40da.65,15dada154065.da,a,ad,.50*6.2.21.25,1,85,152.na50a1010a1ad.3.na53a915a48,.-19-60*11.naand70**-20-15351751180*(1)(2)6263(3)90-21-6312,-22-,...:qaann1().1,..1aq,n,na,.2.:3.4,,aqaqa,,,,,3aa.2(90)-23-*63*1000510%523451000,10001.1,10001.1,10001.1,10001.1,10001.1.21.121.105*2qnaq1aq1nnaqa(6.5)1nnaaq-24-10*{}na15a3q2a3a4a5a213243545315,15345,453135,1353405.aaqaaqaaqaaq15*6.3.11na63a2q4a6a2,24,12,6,36-25-25*30*naq2123211234311,,,aaqaaqaqqaqaaqaqqaq01111aaaq6.6na1aq6.6.35-26-,na1anq.*2,81,41,21,11011a12q11111111111(1)(1)222nnnnnnnaaq101010111(1)5122a3na51a18a13a81,185aa411aq17118aq245-27-2(1),381q,21q21q1412a,4112()2nna12124813111222256aaqna719a13q3a41464-28-,,,aaaqq,a,.,,aaaqq14,64.aaaqqaaaqq,2,4qa.21,4qa2q,824,224aqqa248.21q,2214,8214aqqa842.2-29-48aqaqa,,50-30-*1.,6,2,32.72.na2125a,55a,125.60*.11nnqaa70**}{na,81,174aa,11a-31-13161118aqaq18a12q1011118()2128a23118q12q411111()()82128a80*(1)(2)63A63B(3)90-32-7.1-33-12abab...a-b=a+(-b)a-bba..aaaaababab0.-34-2(90)*7.1*71100N7103*-35-7-2ABABaa72a,ABaAB01aAB-36-10*1A200kmA45200km7-3ab7-313abA-37-*(1)18*7-4ABMNCDPQKT7-4ABCDEFHGMNQPLZ-38-20*aba//b7-423*7-4ABMNHGTK-39-ababa=baaa74AB=MNGH=TK28-40-*2ABCD75O1DA2DC3AB1CB=DA2BA=DC,CDDC3BA//AB,DC//ABCD//AB+33*1ABCDEF1EF2ADADCB75O-41-2OABCDEF1OC2OC3OC38*A500mB60200mC76ACABC76500m200mFADBEC1EFABCDO182-42-42*ACABBCAC=AB+BCabA(76)AB=a,BC=bACababab=ABBC=AC7177ababab77ACBaba+bab-43-ab1abba2ab50-44-*79ABCDAD=BCABAD=ABBC=ACABCDACABAD1a0=0a=aa-a=02ab=ba3abc=abc55*312km/h5km/h79ADCB-45-710ABACAD22ADABAC=22125=13512tanCAD6723CAD213km/h()6723*4711k1F2F12FF12FFk.1212cosFFFkABDC710F1F2k711-46-12coskF4(712)7-1262*7.1.2-47-1abab21ab=_____________,2bc=_____________,3abc=_____________31ABBCCD2OBBCCA65*66*ab115bbaa121-48-aba-b=a(-b)a=OAbOB()=OAOBOAOBOABOBOOABAOAOB=BA72713abababba68*57141ababaAa-bBbO713-49-7142OOA=aOB=bBABABA=ababab70*11ABAD=_______________2BCBA=______________3ODOA=______________2ABCDAB=a,AD=ba,bACBDDB72BbOaAba12714-50-*715OCaOC3a7-1574*aa||||||aa73||a00aa0aaab0abab740a=0,0=0aaaaOABC-51-a,b111aaaa2aaa3aaaabab78*6ABCDO7-52-16ABaADba,bAOOD12AOAC,12ODBDACBD.ACab,BDb-aOACBD1122AOACab12a12bOD12BD12b-a-12a+12b612a12b-12a+12babAOODababa,b,lablab716-53-81*113a-2b22ab23a-23a-4b3a-b2a,bOAOA12ab83*a,ABaABababa=b85*-54-*1ABBCCD2OBBCCA88*(1)(2)71A71B(3)90-55-7.212..-56-...xijAxy,OAxyijxyOAOA=xy127.8.32(90)-57-*7.2*xi,yjOAA23(717)7172OMi3ONj23OAOMONij0-58-5*i,jxy1(,)Mxyi+jOMxy718(1)21122(,)(,)AxyBxy718(2)(1)(2)71822112121()()()()i+ji+jijABOBOAxyxyxxyy10jiBAOyxOxijM(x,y)y-59-a(,)xyxyaij(,)xya(,)xya717(2,3)OA7181(,)Mxy(,)OMxy718211(,)Axy22(,)Bxy2121()ABxxyy75*1719xyijab,aOMMA5i3j(5,3)a(4,3)b-60-719OAOM2(2,1)(3,2)PQPQQP(3,2)(2,1)(1,3),PQ(2,1)(3,2)(1,3)QP15*1A23OAijOA234aij,a3ABABBA719-61-(1)(5,3),(3,1);AB(2)(1,2),(2,1);AB(3)(4,0),(0,3)AB20*720(5,3)OA,(3,0)OP,(8,3)OMOAOP27*720-62-11(,)xya22(,)xyb1122()()xyxyabijij1212()()xxyyij1212(,)xxyyab761212(,)xxyyab7711(,)xya7835*3a(1,-2),b(-2,3)(1)ab(2)-3a(3)3a-2b(1)ab(1,-2)(-2,3)(-1,1)(2)-3a-3(1,-2)(-3,6)(3)3a-2b3(1,-2)-2(-2,3)(3,-6)-(-4,6)-63-(7,-12)45*a,baba-b-2a3b1a(-2,3)b(1,1)2a(1,0)b(-4,-3)3a(-1,2)b(3,0)55*7.4ab0abab-64-60*1122(,),(,),abxyxyab1212,,xxyy1221xyxy12210xyxyab1122(,),(,),abxyxy012210abxyxy7967*4(1,3),(2,6)abab32-16079abab-65-70*1a(2,3)b(1,32)2a(1,-1)b(-2,2)3a(2,1)b(-1,2)75*xi,yja-66-xyxyaij(,)xya(,)xya.ab1122(,),(,),abxyxy012210abxyxy80**a,baba-b-2a3ba(-2,3)b=(1,1)85*(1)-67-(2)7.2A7.2B(3)90-68-7.31.2..,.1.2.-69-1a,b0ab|a||b|a,b180ab|a||b|2|a|aa3cosa,b||||abab4ab0ab2(90)*7.3*0-70-721100N30100m5*722ijFxi+yjsin30cos30FiFjFsWFcos30s10023105003JFs72130O-71-722FsWFsWFs,723a,bOAa,OBb,OAOBaba,ba,babab,aba||b|cosa,b(7.10)WFs.a00,0a015OxijF(x,y)yBAO723ab-72-1a,b0ab|a||b|a,b180ab-|a||b|.2cosa,b||||abab.3baa,a0aa|a||a||a|2|a