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2005


00 ֧ () )
,( 3 , 18 ) ( 1, 3 (
2

) C,-6 D,6

A,-9

B,9

2, 2 11,-6, ( A,-17 ) B,17 C,5 D,11 )

3,,(

4, 2004 , 9.5%, 136515 , 136515 ( 4 )( A, 1.365 10
12

)

B, 1.3652 10
13

C, 1.365 10
12

D, 1.365 10
12

5, 6 ,,, ,l1 ,l2 ܡ y() x( ),( A, 30 B, 6 / C, 20 D, 6,,ABC C 90 ABC , A A ( A, (-3,-2) C, (3,0) B, (2,2) D, (2,1) ) )

1

,( 3 , 27 ) ( 7,, 1.2 , 1.2 , , .

8,, ABCD,RF AB,CD E,F,1=70, 2 . .

9,(-1,2)

10, 1 36 , 9 , 9 a, a 9 .

11,, 10 ,,, .

12, , , ,"" .

13,,O , AB=AC=5cm,BC=8cm, O cm.

14,˧,, 8 88 , 4 94 , 12 .

15,, A B y O, CD,EF x , O C,E D,F, .

2

, ,( 8 , 75 ) ( 16, )",: (8 (

x2 4x 1 + 2 ) 2 , x = 3 . " x+2 x 4 x 4

" x = 3 "" x = 3 " ,, ?

17, )() (9 20012004 2001 () ߦ() 233 70.4 2002 325.1 109.2 2003 444.39 202.01 2004 507.41 231.40

(1):

(2)է:

(3) 2004 , 2006 650 ., x, : .
3

18, ), ABCD ,ADBC,AB=DC,P ABCD ,PA,PD (9 BC E,F, PA=PD. (1)() ; (2)(1)է.

19, ), A, B, (9 A,B , C A 45, B 32 , B,C 100 ,, A,B ?( 1 .:sin32=0.5299,cos32=0.8480)

20,, 1,2,3,4 1,2,3,4, , , 5 ?().

4

21, (10 ), ABCD 4cm, P BC B,C , AP, P PQAP DC Q, BP xcm,CQ ycm. (1) P BC y ; (2) y =

1 cm , x . 4

22, (10 ), 6 ., ,., 34 . (/) () 7 100 5 60

(1)? (2) 6 380 , ?

5

23, (11 ) 1,RtPMN ,P=90,PM=PN,MN=8cm, ABCD 8cm 2cm,C M ,BC MN . RtPMN , ABCD MN

1cm ( 2) , C N . x , ABCD PMN y cm . y x .
2

6


, , 7,1,8,110,9, y = 1,A,2,B,3,B,4,D,5,D,6,C

2 ,10,9a, x 25 ,14,90,15, 11,,12,,13, 6 2

, 16 ,(

x2 4x 1 x2 4x + 4 + 4x + 2 ) 2 = ( x 2 4) = x 2 + 4 , x = 3 2 x+2 x 4 x 4 x 4

x = 3 , x 2 3, 7," x = 3 "" x = 3 " ,
. 17, (1),

(2),,: ; ; 2003 ; 2003 ; 2004 ; 2004 ; ; 2004 2001 3 ;

7

(3) 507.41 (1 + x) = 650 .
2

18,ABPDCP;ABEDCF;BEPCFP;BFPCEP; ( ) (2)ABPDCP : :ADBC,AB=DC, ABCD ,BAD=CDA, PA=PD,PAD=PDA,BAP=CDP, ABP DCP ,

PA = PD BAP = CDP ,ABPDCP. AB = DC
19,: C CDAB, D, B A ,ACD=45,DCB=32, RtBCD ,BC=100, DB = BC isin 32 100 0.5299 = 52.99 ()

CD = BC icos 32 100 0.8480 = 84.80 () ,
RtACD ,AD=CD, . AB = AD + CD 84.80 + 52.99 = 137.79 138 () 20,: 1 2 3 4 1+1=2 1+2=3 1+3=4 1+4=5 2+1=3 2+2=4 2+3=5 2+4=6 3+1=4 3+2=5 3+3=6 3+4=7 4+1=5 4+2=6 4+3=7 4+4=8 1 2 3 4

, 16 ,, 5 4 , 5 21, (1)PQAP,CPQ+APB=90, BAP+APB=90,CPQ=BAP,

4 1 = . 16 4

8

tanCPQ=tanBAP, BC AB = BC = 4 , BP = x , CQ = y ,

BP CQ = , AB PC

x y = 4 4 x 1 2 1 2 1 2 y = ( x 4 x ) = ( x 4 x + 4) + 1 = ( x 2) + 1 ( 0 < x < 4 ) 4 4 4 1 a = < 0 ,y , x = 2 , y = 1 (cm) . 4 1 2 1 1 1 2 (2)(1) y = ( x 4 x ) , y = cm , = ( x 4 x ) , 4 4 4 4
, x 4 x + 1 = 0 , b 4ac = 12 > 0 , x =
2 2

(4) 12 = 2 3 , 2

0 < 2 3 < 4 , y =

1 cm ,x 2 + 3 2 3 . 4

22, (1)E x ,(6-x). , 7 x + 5(6 x ) 34 , , x 2 , x 0,1,2 , ,: :, 6 ; : 1 , 5 ; : 2 , 4 ; (2), 30 , 360 ; , 17+55=32 ; , 1100+560=400 ;, 27+45=34 ; 2100 +460=440 ., 380 , 2 ,. 23, RtPMN ,PM=PN,P=90, PMN=PNM=45, AD PM,PN G,H, G GFMN F, H HTMN T, DC=2cm,MF=GF=2cm,TN=HT=2cm, MN=8cm,MT=6cm, , ABCD 1cm , RtPMN :

9

(1) C M F (0 x 2, , CD PM E, RtMCE, MC=EC=x, y=

1 1 MC i EC = x 2 ( 0 x 2 ) 2 2

(2) C F T 2 < x 6 ) ( , , MCDG,MC=x, MF = 2 , FC = DG = x - 2 , DC = 2 ,

1 y = (MC + GD)DC = 2 x 2 ( 2 < x 6 ) i ; 2
, (3) C T N 6 < x 8 ) ( , CD PN Q, MCQHG,MC=x,CN=CQ=8-x, DC=2,

1 1 1 y = (MN + GH)DC CN iCQ = (x 8)2 + 12 i 2 2 2

(6 < x 8) .

10


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2005().doc

2005 () ( 5


2005.doc

2005___2005


2005().doc

2005() - 2005 () ( 6 , 3 , 18 )...


2005.doc

2005 - 00 ֧


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- 2014 2017 2017 ( 3 , 30 ) 1. (3 )...


2005.doc

2005 - 2005 ֧


2006().doc

2006() - 2006 () ( 7 , 3 , 21 )...


2016.doc

2016___2016 2016 : 1....


05.doc

05 - 2005 ֧ : 1. 8 ,, 100 , 100 . ...


2005.doc

2005 - .: ( 3


2006.doc

2006 - 2006 ֧


2017.doc

2017 (1) B


2015.doc

2015 - 2015 2015 ( 3 , 24 ...


2017().doc

2017() - 2017 ( 3 , 30 ) 1.ڧ 1 ( ...


2011.doc

20112011 ...1. -5 (A)5 (B)-5 (C) 1 5 (D) ? 1 5 2...


2015(word).doc

2015(word)___201


2002_.doc

2002 - 2002


2007.doc

2007 - 00


2015.doc

2015 - 2015 2015 ( 3 , 24 ) ...


2009.doc

2009 - 2009

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