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111.11,A2B18C19D202,11,25,39,,6__________3,ABC,P1,P1ABC,ABC,,2ABC12310073543,12a,8,aA6a3B5a2C2a5Da5a25.ABC,abc,cba0,b=4,______62x8,x22x123x,x1,2(1),(2)(3),31,,2,1,2,3:1DAB5,ABC5512=10,DE5,DEC5512=10,20D221,,4,1=43,n,4n3n=6,=213ABC12310073572015ABC1,3=11ABC2,5=21,n,2n+1,3,31=71007,10071=20154B,8312a83,512a11,5a2B510ABC,abc,cba0,ca+bb=4,a=1,2,3,4a=1,c=4a=2,c=45a=3,c=4,5,6a=4,c=4,5,6,71+2+3+4=1063x+2212x,x8x,x1,2,3,5,6,7,6x10,x=7411.21,ABC,ABCACBD,A=50,D=A15B20C25D302,ABC,C=90,BDABCACD.APBACBDP,BPA31,ABCDO,ADCB,2,1,DABBCDAPCPP,CDABMN11,ABCD__________22,D=40,B=30,P32DB,,PDB54,ABD,ACDP,A=50,D=10,PA15B20C25D305,ABC,CDACB,CEAB,A=40,B=721DCE2DCEAB61BDC=A+B+C2DABC,BDCAABDACD4,6118023,1,21,27:1CABCACBD,1=12ACE,2=12ABCD=12,A=ACEABC,D=12A=25C21C=90,BACABC=90,12(BACABC)=45.BDABC,APBAC,BAP=12BAC,ABP=12ABC,BAPABP=45,APB=18045=135.2C=90,BACABC=90,12(BACABC)=45,BDABC,APBAC,DBC=12ABC,PAC=12BAC,DBCPAD=45.APB=PDAPAD=DBCCPAD=DBCPADC=4590=135.31A+D=B+C21,1+D=3+P,2+P=4+B,13=PD,24=BP,APCPDABBCD,1=2,3=4,PD=BP,2P=B+D,8P=40+302=3532P=B+D4BDC,ABE,ACD=50+AEC=50+ABD+10,ACDABD=60ACBPO,AOB=POC,P+12ACD=A+12ABD,P=5012ACDABD=20B51A=40,B=72,ACB=68CDACB,DCB=12ACB=34CEAB,ECB=90B=9072=18DCE=3418=162DCE=12BA61BDACE,BECABE,BEC=A+BBDCCED,BDC=C+DEC=C+A+B2BDC+ACD+A+ABD=360BDC+ACD+A+ABD=3+2+6+5+4+1=3+2+1+6+5+4=180+180=360911.31150,A12B11C10D9236,________3,9,4,A+B+C+D+E+F+G=A360B540C630D7205,A+ABC+C+D+E+F=_________6,A+B+C+D+E+F101,,2n(n2)1803601n,(n3),n(n2)2360,1801,,2,,360,11:1A150,30360,36030=12,12A2144036036=10,18036=144,14410=14403n,,(n2)180=9360,n=20204B1=C+D,2=E+F,A+B+C+D+E+F+G=A+B+1+2+G=540B5360BEFG,EBG=C+D,BGF=A+ABC,A+ABC+C+D+E+F=EBG+BGF+E+F=3606POAOEF,POA=E+FBPO=D+CA+B+BPO+POA=360,12A+B+C+D+E+F=36012.112.21,BDABCD,ABDBEADE,CDBDFBCFABECDF2,ABC,DBCB,C,F,EAD,CFBE.,BDECDF(,),1__________23,ABC,DBC,EAB,BD=BE,ADBCEB,1AD=CEAE=CDBAC=BCAADB=CEBADBCEB,21,ADBCEB__________________134,ABC,ABC=45,AC=4,HADBE,BHA6B4C23D552013,ABC,ABAC,ADBCD,ADCA,ACAB,DE,AECBM,EBADN.AMAN.NMEDBCA62012,ABC,DAB,CDCDE,EADC,AEAEBC147,ACDF,ABCDFEA60B90C120D1508,AB,AB,ABC,ACD,CD=CA,BCE,CE=CB,DE,DE,AB,9,AB,AACAB,C,BAB,ACBACB,AB,AB,1512,3(1)(SSS)(2)(SAS)(3)(ASA)(4)(AAS)4(HL)1,23HL,1,12345,,ABCDEF,AD,BE,CF,ABCDEF,ACDF2SASSSSAASSASASAAASASAAAS16:1ABCD,AB=CD,A=C,ABCD,ABD=CDBABE=21ABD,CDF=21CDB,ABE=CDFABECDF,CDFABECDABCAABECDF21DCBD(DBC),EDFD,BECF2DCBDCFBE,FCDEBDDCBD,FDC=EDB,BDECDF31,,,AE=CD,BE=BD,AB=CBABD=CBE,BE=BD,ADBCEB24BABC=45,ADBC,AD=BD,ADC=BDH,AHE=BHD=CADCBDHBH=AC=4B5,7654321NMEDBCAAEBADC,AEBADC.31,6CABAC,ADBC,21,7C.1732,6745,ABMABNABAB,AMBANBAMAN6ABCEDC,BCADCE60BCAACDDCEACD,BCDACEDBCEAC,BCAC,BCDACE,DCEC,DBCEACSASDBCEACDBCACB60,ACBEACAEBC7B,BC=EF,AC=DF,RtABCRtDEFABC=DEF,DEF+DFE=90,ABC+DFE=90B8ABCCED,AC=CD,ACB=ECD,EC=BC,ABCCEDAB=EDDE,AB9ACAB,CAB=CAB=90.ABCAB,ACBACBACACCABCABABCABASAAB=AB1812.31,ABC,AC=AB,DBC,DFAB,F,DGAC,G,DF=DGADBC.2,CDABD,BEACE,BE,CDO,AOBACOB=OC3,RtABC,C=90,21BACB,ADBAC,DEABE,AC=3cm,BE194,ABC,,,AACBCBACBCCABDACBC5,,M,,A1cm,__________,__________6,,,12201,2,,41,,2,,,21:1DFABDGACDFDG,ADBAC,BADCADABDACD,ADADDACDABACAB(SAS)ABDACD(ADBADC180BDACDA,90BDA,ADBC2AOBAC,ODAB,OEAC,OD=OE,RtBDORtCEO,,,COEDOBOEODCEOBDO(ASA)BDOCEOOB=OC3C=90,BAC+B=90,DEAB,C=AED=90,21BACB,A=60,B=30,ADBAC,DCAC,DEAB,DC=DE,3AEACcmRtDAERtDBE,.DEDEBEDAEDBDAEDAEDBEAAS,3BEAEcm4C,ABC5A,A1cm6,P2213.113.2120122,,______________________3,5,,4,ABCADEl,ABCADElDBC=EBCDElA0B1C2D35,A=90,EBC,AEBD,BCDE,ABCC236,ABCABCm12AA,mAA3ACAC,m,7,RtABC,ACB=90,ABDEBCF,F=30,DE=1,EFA3B2C3D1248,ABC,BC=8,ABBCD,ACBCE,ADE________9,ADBC,BD=DC,CAE,ABBDDE10P2,3yQa,b,a+bA1B1C5D511P1xP232a,2a5,,P1__________1,,,,(),2,3,4xy(x,y)x(x,y)(x,y)y(x,y)1,,252,x,y,:1DD,,D,D234A,ABCADEl,ABCADE,,,lDB,C=E,,,,,BCDEl,,,A5AEBD,ABD=EBD,ABC=2ABD=2EBDBCDE,DBE=BCD,ABC=2BCDA=90,ABC+BCD=90ABC=60,C=3061AA',BB',CC'2AA,mAA3ACAC,m,m,m,,7BRtFDB,F30,B60RtABC,ACB90,ABC60,A30RtAED,A30,DE1,AE2EB.DEAB,EBAE2.EBDA30ABC60,EBC30F30,EF26EB2BABFCED88DFAB,DB=DAEGAC,EC=EABC=8,ADE=DA+EA+DE=DB+DE+EC=BC=89AB+BD=DEADBC,BD=DC,AB=ACCAE,AC=CEAB=CEAB+BD=CE+DC=DE10Cy,,a=2,b=3a+b=51.5a2.5,a,a=2P21,1P11,12713.313.41ABC,BFCF,DEBC,ABACDE,DEFBDFCEFDE=BD+CEADE=AB+ACBF=CF___________()2,ABC,AB=AC,DEFABBCAC,BE=CF,AD+EC=AB1DEF2A=40,DEF3DEF4A,EDF+EFD=120,3,ABC,BAC=90,BEABC,DEBC,D12ADBE3BC=10,AB+AE284,ABC,AC=9,OAC,AO=3,PAB,OP,O,OPBCD,PD,PO=PD,AP__________5ABC,ABCACBO,ODAB,OEAC1ODE,2BDDEEC6,ABC,AB=BC=AC=12cm,MNAB,,M1cm/s,N2cm/sNB,MN1MN,MN2MN,AMN3MNBC,MNAMN,MN297,AB,a,b,AB,,AAb,AbaCDBBa,BbaEFAFCBFECDCDDE8,,AB,,?()3011()2()2,()3,6012604,30,1,,2(1)(2)301,,2,,3,31:1DEBC,DFB=FBC,EFC=FCBBFABC,CFACB,FBC=DBF,FCE=FCBDBF=DFB,EFC=ECF,DFB,FECDF=DB,FE=EC,DE=DF+FE=DB+ECADE=AD+AE+DE=AD+AE+DB+EC=AB+AC,2(1)AD+EC=AB,BD=CEAB=AC,B=CBE=CF,BDECEFDE=EF,DEF(2)A=40,B=C=12(180A)=12(18040)=70BDECEF,BDE=CEFDEF=180BEDCEF=180BEDBDE=B=70(3)DEF=B90,DEF(4)60A=60,B=C=60,2DEF=60EDF+EFD=12031ABC,ABD,ADE,EDC2ADBEBEABC,ABE=DBE.BAE=BDE=90,BE=BE,ABEBE,DBEADADBE3BEABC,DEBC,EAAB,AE=DERtABERtDBE,AE=DEBE=BERtABERtDBEHL32AB=BDABC,BAC=90,C=45EDBC,DCEDE=DCAB+AE=BD+DC=BC=1046OD,PO=PD,OP=DP=ODDPO=60ABC,A=B=60,AC=AB=9OPA=PDB=DPA60OPAPDBAO=3,AO=PB=3,AP=651O