( A B C D D

1AA

2Al Al

3

4

5l1 // l2 , l1 ,l2 l1 //

6ab,ab a

L,L,( )A C B D

A C B D L,L,( )

L,L,( )A C B D D

A0 B1 C2 D3

A

(1)(2)

a b a//ba//ab(1) a,b=b(2) aaPP =b(3) a//b(4) a //

,P-ABC,M,NPCAPBC,:MN//BCAPMN// EF MN //BCA

,ABCDABEFAB,M.NAM=FN:MN//BCEABCDEFMNMN // GH MN //BCE

ABCDEFMNAFN BNH AN/NH=FN/BN AN/NH=AM/MC MN//CH MN //BCE,ABCDABEFAB, M.NAM=FN:MN//BCE

AC1EDD1DB1//A1C1EEDB1 // EF DB1 //A1C1E

AC1OADD1A1CO // A1C1BB1O

(1)(2)(3)

a//,a, =ba//b =bb a //a b=a//b

abc

ala // a// =la // l

abABOMNPa,bOABOa,bMNPMP=PN

123

42351

123

4.5.,a

2. ,ABCD ABCDMP ABCD MP // .

:,ABCD-A1B1C1D1 AB1D1BDC1B1D1AB1=B1AB1D1BDC1

2A1CBDBDBC1=BA1CBDC1AB1D1BDC1

1:ABCD-A1B1C1D1E,F,GA1D1,A1B1,A1A,EFGBDC12:OBDOC1 EFG

O EFGBDC1OC1 EFG

3:,ABCD-A1B1C1D1 E,F,M,NA1B1,A1D1, B1C1, C1D1 AEFBDMN

A-BCDE,F,GAB,AC,AD.EFGBCD

(1)(2)1(3)2

(1)(2)

1l , m l____m2 n, m , mn_____, l m, l n, l 3l , m , l____m4l //m , l , m____ //

PABCABOCABPAO1BCPAC

PABC2)AHPC,AHPBCABOCABPAO

OAC1,O,ACD1B1BD

OHAC1OB1H D1O,B1HD1AC

: l // ,m : l m m

CAB PAABCPAABCPACABCPABABCBCPACPBCPAC

l l

l l

ABCDADCBCDABD BCDDEBC ADE ABC ADCBCDABD BCDAD BCDAD BCDE BCBC ADEABC ADE

ABC, ACB=90,PPA=PB=PC . PAB ABC

ABCDAB=BCAD=CDEAC( (A) ABD BCD(B) BCD ABC(C) ACD ABC(D) ACD BDE

ABCDPA ABCDPB,PC,PD,AC,BD,PACABCDPABABCDPADABCDPADPABPADPCDPBCPABPBDPAC

P-ABCPBABCACB= 90,PB=BC=CA,EPC

P-ABCDPAABCDBAD= 120,EPC

:SABCASC=90ASB=BSC=60SA=SB=SCASCABC

aboaba//ab//babab

oabOooooo

aboaba//ab//babab

BA

aboaba//ab//babab

ABO

aboaba//ab//bababALBO

2.3.b.a.c. 1.

AC1A1BB1CA1BB1C60A1B60

AC1D1BB1CABDCA1B1D1C1

AC1M,NA1AB1BCMD1NMN

PABCMNP-ABCMNPBACPA=BC=4MN=3PABC

1. AC1EGAA1CC1 FABC1EEFEFGD (A) 30 (B) 45 (C) 60(D) 90DM EB1EC1AB1EB1 EFDGAMEB1EF DG

a,b50 PPa,b30 abPO2

A1ABB1CDC1D1FEABG O1:ABCD-A1B1C1D1EFBB1 CDAED1F

2ABCD-A' B'C' D', AB=BC=4, AA' =6, EFBB' CC', AEBF.

3ABCD-A1B1C1D1AB=AA1=2 cm AD=1cmA1C1BD1

BB1MO1MO1MD1BB1D1A1C1 O1A1O1MA1C1BD1O1M

A1C1EA1C1BD1 A1EC1EA1C1EA1C1BD1()BC1B1F

ABCDA1B1C1D1ACBC1 A30 B45 C60 D90

SA BCEFSC A BEFSA A90 B60 C45 D30

ACGEGFG EG//SA GEFEFSAFG//BCSABC EGF=90 EGFEG=SAFG=BC EG=FGEGF GEF=45C.

ABCD- A1B1C1D1,ACBDO,OB1A1C11900

S-ABCSABC, E, FSCAB EF SA CD(A)300 (B)450 (C)600 (D)9002B

: a , M AB , N BB1 A1M C1 N EGABE, BE, BE A1M CC1G,BG. BG C1N EBGBG=BE= a, F C1 = acosEBG=2/5FEB1FNF,BENFFNCEBG

11 2 1 cos 0 2 cos 0 3 cos = 0 3 90o2

0 ]

AB2AB 60

C

l160 9060Ol1

l130 l2 l1 60 , l2 ?l1

,OA,OCOAOB,AOC2:cos2= cos 1 cos

,:(1)(2),

:ABCD-A1B1C1D1A1BA1B1CDO

SACBOFEACB=90SABC SCA= SCB= 60SCACB.

SACBOFESA,SB,SCBSC=60,SAPBSC3, PSB,SC5,SABSCP

ABCDFEADFDACA1BEABCD3AE=2BECF=2DFEFAEFDAGBCAEABCD

ABCD-A1B1C1D1OACA1OBB1D1D.OO`

PABCPAABCPABCD

1.abab.______________.

2.ABCDA1B1C1D1B1-AA1-C1_____B-AA1-D______C1-BD-C_______.4590

3. -l-AB l 4530 ________________.45135

B

5. PAPBPCP60oB PAC ( )

A. B. C. D.AD

ABCAMABCAMA ABCS ABCSA-BC-A.COS = S S

AC1D1-AC-D

ABCDASAABCDSBCSCDABCD45B-SC-D.E

7.ABCA1B1C1BCA=90AC=BCA1ABCACM. AA1ABC60.(1)BCAA1C1C(2)B-AA1-C.

7.ABCA1B1C1BCA=90AC=BCA1ABCACM. AA1ABC60.(1)BCAA1C1C(2)B-AA1-C.: (1)A1MABCA1M AA1C1C(1)AA1C1CABCBCACAA1C1CABC=ACBC AA1C1C

7.ABCA1B1C1BCA=90AC=BCA1ABCACM. AA1ABC60.(1)BCAA1C1C(2)B-AA1-C.: (2)A1MABCAA1ABCA1AC,A1AC=60o,MACAA1C,CNAA1NNAA1,BNBC AA1C1CBCAA1AA1 BNCAA1 BN BNCB--AA1C

7.ABCA1B1C1BCA=90AC=BCA1ABCACM. AA1ABC60.(1)BCAA1C1C(2)B-AA1-C.AC=BC=aAA1CaBNCBAA1C

AC1EFABADC1-EF-CEFABDCA1B1D1C1H

ABC,ABBC,SA ABC,DESC,SA=AB,SB=BC,E-BD-C?SABCED

E

P-ABCPA ABCPA=3AC=4PB=PC=BC. 1P-BC-A34H

2A-PC-BCOS =P-ABCPA ABCPA=3AC=4PB=PC=BC. 1P-BC-A

AC1E,F,A1ECFABCD.EF

EFAC1E,F,A1ECFABCD.

ABC-A1B1C12, (1) AB1A1C?(2)AB1BB1C1C?(3) DCC1,AB1DABC?

A1AB1C1BC

ABC-A1B1C12, (1) AB1A1C?

: A1A,AC, A1B1N,M, G,GN,NM.GNM.GM.GMGM=N

1. ABC-A1B1C12, (1) AB1A1C?(2)AB1BB1C1C?E

ABC-A1B1C12,(3) DCC1,AB1DABC?A1AB1C1BCD

:AG

A1AB1C1BCDM B1ABB1AMB.

B1DBCM,AM

CABDA1B1C1D1MN

CABDA1B1C1D1MN

CABDA1B1C1D1MN

CABDA1B1C1D1MN

CABDA1B1C1D1MN

CABDA1B1C1D1MN

B1A1C1 ABC ABCA1 B1 C1 BAC=90AB=BB1=1B1CABC30 BB1C AB B1CAB1CB1C

C1 AA1B1BC

1.(1)

(2)2.(1).(2).

-AB-C

(AB)DCE

ABCEB( )

(A)CEBDEB (B)CEB=DEB

(C)CEBDEB

(D)CEBDEBA

D

112ABCDA1B1

C1D1BA1C1ABCD__

_____.arccos(1/3)

5.ABCDACBDO

ABCDBD604

ACBDADCOAOC

BlBCDlAOC,

________

6. PABCPCABC AB=BC=CA=PCBAPC EFBBEACEEEFPAFBFPCABCBEPACBFPABFEBPACPC=1 AB=BC=CA=PC=1EAC

7.ABCDAB=BC=CD=aB=90DCB=135AC.(1)ABBCD(2)ABDACD.

7.ABCDAB=BC=CD=aB=90DCB=135AC.(1)ABBCD(2)ABDACD.: (1)D-AC-B,DCAC,DCABC,()AB ABC,DCAB,ABBC,ABBCDABCD

7.ABCDAB=BC=CD=aB=90DCB=135AC.(1)ABBCD(2)ABDACD.: (2)CCHDBH,ABDDCB,CHABD,ABBCDABD DCB=DB,BHHHEADE,ECE, CEADHEADCEADCEH ,CEH=60o, 60o

().

2lBBDDBClCCCDDCECEl BCElBCDl1BCD=45 BCE=13545135C.

8.P1DCBP1DCBCDP1DP1D=6BC=3DC=3AP1D. ABP1ABPABP-CD-B45EFABPD.(1)AFPEC(2)P-BC-AEFP..:1PCG,.GFGEG,FG//CD,FG= CD,AE//CD,AE= CDAE//FG,AE=FG,AEGF,AF//EG,EG PEC,AF//PEC

8.P1DCBP1DCBCDP1DP1D=6BC=3DC=3AP1D. ABP1ABPABP-CD-B45EFABPD.(1)AFPEC(2)P-BC-AP:2CDPAD,PADABCDPABP-BC-A,RtPAB,PA=3,PB= ,PA=AD,PDA=45o,PAADPAABCD,ABBC PBBCsinPBA=60o

.

9.ABCDA1B1C1D1EBCB1D1EABCD.ADBCB1A1D1C1.E:, ,.:B1C1M,.MEM,EBC,EMA1B1D1,B1D1 MD1B1E,B1D1EA1B1C1D1,ABCD//A1B1C1D1,B1D1EABCD, a,

9.ABCDA1B1C1D1EBCB1D1EABCD.ADBCB1A1D1C1.F:BCF,.MBDEF,.EEBC,EF//BD,BD//B1D1,EF//B1D1,EFB1D1ABCDEB1D1F=EFBGEFFEG,GB1G,B1GBB1D1EABCD a,BE= BG= RtB1BG,B1G=

ABC-A1B1C1MNAA1BB1B1N=A1B1=2A1MC1MNA1B1C1

SABCSA=SB=SCASB=BSC=CSA=90MNABSCSMBN.Paaa

1.1 2 3

4 5 6

2. 1 2 3

ABCA1B1D1C1AC11,(1)ACD1D

ABCA1B1D1C1AC11,(1)ACD1D(2)ABD1

ABCDA1B1C1D1HAC1AB=aAA1=AD=bC1BDC1H=

ABCDEFCDFEABFEEF=5,AD=13,ABCD

P-ABCPA=PB=PCPABCPABCOOA=OB=OCOABC

P-ABCPA,PB,PC,PABCPABCOABCDO

P-ABCPABC,PABCPABCOABCOEF

P-ABCPA=PB=PCPABCP-ABCPA,PB,PC,PABCP-ABCPABC,PABCPABCO

ABCA1B1D1C1AC11,D(1)AA1B1CD

ABCA1B1D1C1AC11,D(1)AA1B1CD(2)ABB1D1

1PABCPABCABCOP

4.PABCPAPBPCPAPBPC3PABC

3.ABOPAOCAB5AC2BPAC

PABCEFO

ABEFDCPZ

3ABCD4EFABADPC

ABCDPC=2

1CPEFAPEF3

2BPEF

_1139904825.unknown

l l AA`BB`l

lA`AB

ABCDA,B,C,DABCD4ABCD3

5.ABCDABCDAA=5AB=12BCABCD

ABCDPFEABCD4EFADABPCABCDPC=2BPEFGOH

3ABCD4EFABADPCABCDPC=2BEFPACBDO,ACEFHOHPHBDPEFBBDOOKPEFOKKOKHPCH OK

ABAB AABB

:1 ,M,N,E,F .(1): ;(2): .

1999ABCD-ABCDEDDEACDBEACABCD450AB=a1EAC2ABAC

1600M--NPPMN12PaPAPBMNABPAPB,aQPQ=xPAQsinAQP=1/xRT PBQsin AQP=2/xcos600=cos(AQP +AQP)x

2ABCDBAD=600AB=10PAABCDPA=51PCD2PBD3PAD4PCPAD(1)PCDCDEAEE(2)BDACOPOO

1. ab ab d1 d2 ( )(A)d=d2 (B)dd2 (C)d1d2 (D)dd2DC

3. ABCAB=9AC=15BAC=120ABC

PABC14

P ( )

(A)7 (B)9 (C)11 (D)13A

5.RtABCC ABAB=26ACBC45 30AB______.26.- l A l

2 , 1 ,

__________________30o 150o

2.ABCDABACAD6BC3CD4BD5ABCDABD

7.MON=60POPO=3POMON45P

A.B. C. D.A8. EF ABCDEF

15AB17ABCD

28EFCD 2539

9. , AB, AB, A , B a b , abA a 2B b 5AB=4ab ababABAB

ACDBA1B1D1C1O ACBDO AOBD AODD1 AOBD1 AO

ACDBA1B1D1C1OEA1ACC1AB1D1 AA1CC1A1 CO1A A1EAO1E A1EAB1 D1 A1E

ACDBA1B1D1C1EF..A1CAB1D1 A1CBC1DA1CAB1D1BC1DEFEF

ACDBA1B1D1C1G.ABCDA1B1 BCDA1B1 BG(GBC1B1CBGB1C, BGCD BGA1B1CD :

(1)..

(2).

12. aABCDABC=60PCABCDEPAEPBC.:EPAEPBCA PBC.PCABCD,PBCABCDABCDAHBCBCH,AH= H

12. aABCDABC=60PCABCDEPAEPBC.GO

()

.

PMN PM=3cm,PN=4cm,PMNlQ llQMlQNMQNlMQN=120M+N=180PMQNMPN=180120=60MN=

()VSh

()

(1) 1.(2)

(2)2.(3).(1)3.(1)....(2)abc l l2=a2+b2+c2

VSh/3

()12

PCBDARt PEHRt PHBRt PEBRt BEH

1234

1234PABC567

1.( )

(A)

(B)

(C)

(D)C

2.. ( )(A)0 (B)1 (C)3 (D)5C

2.ABC-A1B1C1AB=2 BB1AB1

C1B

A.60o B.90o C.105o D.75o

B

3.a+b+c=611 __ 3045 ___ sinsinsin_____ ___________________________.sin2+sin2+sin2=2530

8cm2,S=2

,()

(

a.b,PABCO

1.60,PABCO

1.60,PABDCO

a .60,30PABCO

:P-ABC,AB=AC=10,BC=12,45,?

aPABC

a,hABDCOPHx

P-ABC4

4. P-ABCDPAABCDABC=90PA=AB=BC=2AD=1, (1)DPBC (2)PABPCD: (1)AD//PBCDPBCAPBCPABC, ABBCBCPABPBCPABAPBAPBCPA=AB=2, PAAB,APBDPBC

4. P-ABCDPAABCDABC=90PA=AB=BC=2AD=1, (1)DPBC (2)PABPCDQ (2)CDBAQ,ADBC, AD= BCAQB,PA=AB=AQBQPQ,BCPAB,CPPQ,CPB,PCDPCD

1P-ABCDaPBABCD.(1)PADABCD600 PBABCDBAADPAADPABPADABCDPAB600

1P-ABCDaPBABCD.(2)PBPADPCD900.MPADPCDCMPDMMACDMADMAMCMAMD900AMC.ACAMCcosAMC =AMC900.

P-ABCDaBCD600PBABCD.PADABCD600E

P-ABCDaBCD600PBCABCDPBC. PADABCDE

2ABC-A1B1C1ABCRt C=900 DECC1A1BAC=AA1=2 (1)DE

2ABC-A1B1C1ABCRt C=900 DECC1A1BAC=AA1=2(2)A-BD-C() ABC-A1B1C1ACBCACBB1C1CCMBDMAMAMCACMAC2ACCM

3ABC-A1B1C1ABCRtC=900 DECC1A1BAA12EABDABDG. (1)A1BABD()BGEBG

3ABC-A1B1C1ABCRtC=900 DECC1A1BAA12EABDABDG. (2)A1AEDAB

3ABC-A1B1C1ABCRtC=900 DECC1A1BAA12EABDABDG. (2)A1AEDADEAA1B1BADEAA1B1BAEA

3ABC-A1B1C1ABCRtC=900 DECC1A1BAA12EABDABDG. (2)A1AEDBC

1234

C1.8cm2

()( )

(A)4cm2 (B) cm2 (C)2cm2 (D) cm22. ( ) (A)1 : 4 (B) 1 : 3 (C) 1 : 8 (D) 1 : 7 C

A3.a,b,c

245 2

( )

(A) (B) (C) (D)

C4.S

a ( )

(A) (B) (C) (D)5.2340P-ABCAPBPCEFAEF ( )

(A) 6 (B) (C) 36 (D) A

PP A B C D

ABCDAAOPPAPBPCPD Ph1h2h3h4ABCD

6.A1B1C1ABCABCAB=AC=10cmBC=12cmA1ABCAA1=13cm.BBDAA1DCDDAA1=A1B=A1CABCA1ABCOBCAEOEBCAA1,B1BCC1AA1BCAA1BDAA1BDC,AA1CDA1ABA1FABFFRtA1FAA1A=13AF=5A1F=12,BD=ABsinA1AB=10S=(BD+DC+BC)A1A=396,ABCAEBCAB=10BE=6,AE=8,SABC=8,S=396+248=492(cm) 2

7.EFaABCDA1B1C1D1A1ACC1C1B1EDF....FE::A1C1, B1D1O1,O1O1O1H B1DH,HEF//A1C1, A1C1//B1EDF C1B1EDF A1C1 B1EDFB1D1DB1EDF,O1HB1EDF O1H B1O1HB1DD1

7.EFaABCDA1B1C1D1A1ACC1C1B1EDF...FE::EFB1C1EFh1,DC1EFh2 , h1+h2=B1D1=2a ,

7.EFaABCDA1B1C1D1A1ACC1C1B1EDF...FE::

aABCDACBDaD-ABCABCD

aABCDACBDaD-ABCABCD

ABCD-A1B1C1D1EFBB1DD1a,D1-AEC1FEF

,AB=AD=2aAA1=a A1AD= A1AB= DAB= 601AA1B1CD1A1B1C1D1ABCD

A1B1C1D1ABCD,AB=AD=2aAA1=a A1AD= A1AB= DAB= 601AA1B1CD1

2A1B1C1D1ABCDV= SA1B1CD1CE,AB=AD=2aAA1=a A1AD= A1AB= DAB= 601AA1B1CD1

A1B1C1D1ABCDSB1CD1=2,AB=AD=2aAA1=a A1AD= A1AB= DAB= 601AA1B1CD1

A1B1C1D1ABCDSB1CD1=V= ( 2 SB1C1D1)h2,AB=AD=2aAA1=a A1AD= A1AB= DAB= 601AA1B1CD1

a.

18 3

SQ

PABCP-ABCPA=a, PB=b, PC=c , ABCSPABC

ABCDPFE:ABCD4,E,FADABPCABCDPC=2BPEFGOH

ABCDPFEG:ABCD4,E,FADABPCABCDPC=2BPEF

ABC-A`B`C`BB`C`CSAA`a

ABCA`B`C`ABC-A`B`C`BB`C`CSAA`a

,ABCDEF,ABCD3,EF//AB,EF=1.5, EFAC2,=4.5=3

=6=1.5,ABCDEF,ABCD3,EF//AB,EF=1.5, EFAC2,

ABC-A1B1C134ABB1C1

43

43

P-ABCPA=1AB=AC=2 PAB= PAC= BAC= 60

P-ABCPA=1AB=AC=2 PAB= PAC= BAC= 60

P-ABCPA=1AB=AC=2 PAB= PAC= BAC= 60

P-ABCPA=1AB=AC=2 PAB= PAC= BAC= 60

P-ABCPA=1AB=AC=2 PAB= PAC= BAC= 60

:S ABC,EFSBSC AEFSCB.SABC SOAOBCD SDEFGAG.

GO

ABCSD1

ABCSEFKEY

aABCD-A1B1C1D1D1C1BDABCDA1B1C1D1 = KEY

ABCDA1B1C1D1AD=AA1=1AB=2EABD1EA1DEAB,EACD1AED1ECD

PBCDEAPABCD PBADPAD2ABCDPADABCD120PABCDAPBCPB,,..

18 cm2,3cm.,OABCOODBCABACDEDEDEF VBCABVACVDFEF

AGV= AOF=600

D

C

4. ( ) (A)1 : 4 (B) 1 : 3 (C) 1 : 8 (D) 1 : 7 C

A

C

A

8. ABCDEAEABCBDAEAC=AB=BC=BD=2AE=1FCD(1)EFBCD(2)ABCDE(3)CDEABDE..

9.P-ABCPAPBPC60PA=aPB=bPC=cP-ABC.

10.A1B1C1ABCABCAB=AC=10cmBC=12cmA1ABCAA1=13cm..BCDAA1.E

1.2.1/3.

3012 A5400 B6480 C7200 D7920 E+2=V+F

.

AC3.45o

90o

______

C4. 2 A. 2 B.2 C.22 D.45.2_____________6.PABCOPAPBPC

PA=PB=PC=a, OABC

______________

7.ABCFDE aAEF BFDF ABEADE BFAEDFAE, BFDB-AE-D BDFBF=DE= BD= - arccos

A-BCDAB=CD=6,5 .ECDEAEBECDAECDBECDABEAD=5,DE=3AE=BE=4ABE37VA-BCD=VC-ABE+VD-ABE12 rVA-BCD= (SABC+SBCD+SCDA+SDAB)r= 48r =16r 16r=67

.

OO2O1

9.14cm 64cm2 36cm2.R111R2-36-R2-64=14 222R2-36 +R2-64=14 R=10 S=4R2=400(cm)2

14

14

HO

R

MMAMBMCMABC2MAMBMC MAMBMCd=4MA2+MB2+MC2=d2=16.

RMAMBMC.(1)MA2+MB2+MC2(2)M-ABC.(1)MAMBMC..MA2+MB2+MC2=4R2..

(2).

1..2. !

AA2.VF( ) (A)2F+V=4 (B)2F-V=4 (C)2F+V=2 (D)2F-V=2

A3.2030.( ) (A)2160 (B)5400 (C)6480 (D)7200A4.31( ) (A)16 (B)17 (C)18 (D)19

A

BCAD ABD ACD1BDCD2 BAC=60.ABCD

EFABCDBCCDAEEFAFABE ECFAFDBCDP, 1AP EF 2A-EF-P

1APPFAP PE PEPE=P APPEF EF PEF AP EF.

2EFHPHAHPE=PFAE=AF AH EFPH EF AHPA-EF-P(1)AP PEFPH PEFAP PH APHRt.

cosAHP= AHP=arcos A-EF-Parcos

ABCDAB=3BC=4BDA-BD-CABCDBC 1ABCD 2 ABCD

3RtABCAB=3BC=4EACBEABEA-BE-CACABE

1ABCD-A1B1C1D1AB=3BC=2AA1=1AC1 A B C D

2

5.BMEDCNBECNBM60DMBN

1,,,

2,,

ABCDFD ( )

B

ABCD-A1B1C1D1__________()

.P1P2P3. ( )(A)P3P2P1(B)P3P2=P1(C)P3=P2P1(D)P3=P2=P1 D

CH44(4).4cos ( )(A)-1/3 (B)1/3(C)-1/2 (D)1/2A

xoyABCD(50)(-30)(0-4)(-4-3)y.(1)ADBC(2)BCODEEFADFEFADBCEF(3)C-AOD.ADBC.

1121223 33.12

200243.1234

5.()P-ABCPPAPBPCP1P2P3(())P1P2=P2P3.(1)P-ABCPABC.(2)P1P2=26P1P3=20P-ABC.

1P-ABCDaPBABCD.(1)PADABCD600 PBABCDBAADPAADPABPADABCDPAB600

1P-ABCDaPBABCD.(2)PBPADPCD900.MPADPCDCMPDMMACDMADMAMCMAMD900AMC.ACAMCcosAMC =AMC900.

P-ABCDaBCD600PBABCD.PADABCD600E

P-ABCDaBCD600PBCABCDPBC. PADABCDE

2ABC-A1B1C1ABCRt C=900 DECC1A1BAC=AA1=2 (1)DE

2ABC-A1B1C1ABCRt C=900 DECC1A1BAC=AA1=2(2)A-BD-C() ABC-A1B1C1ACBCACBB1C1CCMBDMAMAMCACMAC2ACCM

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