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10. D4c(din)CǰAc(din)ֱAB=4tDӰֵe A. 4-2 B. 4-4 C. 2-2
D. 2-4
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}}M24֣ÿС}3֣ 11 .
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12. Ľ
.
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13⌑(xi)һ(g)Dcֱ ƽеһκ(sh)P(gun)ϵʽ
.
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14.
D5ǡ(bo)2006128ĺгס˿׃ry(tng)Ӌ(j)D. гס˿ڔ(sh)SeĔU(ku)(jng)(j)İl(f)չ. 2003꣬^(q){(dio)eL(zhng)10ס?c)˿ڱ?996 f(wn)ˣ_f(wn)ˣ.
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15D6ABCDˮƽõ݆P(pn)ҕDσɗlഹֱֱһ(g)С݆P(pn)ɝL(dng)ԓСKͣӰ^(q)ĸʞ .
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16. D7ABCD,CEƽ֡ACD,ABE,ACD=70,t1ĶȔ(sh) .
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17D8,ABǡOֱ,ACǡOо,c(din)A,AB=8,AC=6,tBC= .
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18D9ڡ ABCD(du)ǾACBDc(din)OEBC߅ϵc(din)OE=2AD=5t ABCDL(zhng)
.
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}}M66֣
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20.}M11֣1ǵ15ö\(yn)(hu)傀(g)@ýƿ(sh)ĴF(tun)Ī(jing)ƽy(tng)Ӌ(j)(sh)(j)(li)Դhttp://www.xinhuanet.com/sports/doha2006/.(j)1нƔ(sh)@һД(sh)(j)ƳɈD10.110.2Ľy(tng)Ӌ(j)D. 1: 15Á\(yn)(hu)(jing)ư (gu)/^(q) y ~ (jing)ƿ(sh) Ї(gu) 165 88 63 316 n(gu) 58 53 82 193 ձ 50 71 77 198 _˹̹ 23 19 43 85 ̩(gu) 13 15 26 54 119
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 ϢشІ(wn)} 1(j)1lνy(tng)Ӌ(j)Da(b)ӰͿ(bio)Ɣ(sh).
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2Ї(gu)wڵ15ö\(yn)(hu)ϹZ ö(jing)н ösռ@Á\(yn)(hu)ƿ(sh) %_0.1%ӳνy(tng)Ӌ(j)DϣD10.2@(g)εĈAĽǼs
㣨_ȣn(gu)F(tun)@Ƽsռ@Á\(yn)(hu)ƿ(sh) %_0.1%.
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21.}M10֣ijXܛ_(ki)l(f)˾(hu)ƸˆTϢ£ Ϣһ ƸܛNܛO(sh)Ӌ(j)ˆT120 Ϣ ܛNˆTY1800Ԫ/£ܛO(sh)Ӌ(j)ˆTY3000Ԫ/£ ԓ˾ÿ¸o@ƸˆTĹY~300000Ԫԓ˾(yng)ƸܛNܛO(sh)Ӌ(j)ˆT?
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22.}M10֣F(xin)D11ʾăɷNɴu.
Ո(qng)@ɷNɴuиx2Kƴһ(g)µεذD,ʹƴ䁵ĈDS(du)QDλČ(du)QDΣʾD11.1.ҪքeڈD11.2D11.3иO(sh)Ӌ(j)һNcʾDͬƴ@ɷNƴͬһ(g)S(du)QDΣČ(du)QD.
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23.}M12֣֪E߅L(zhng)1ABCD(du)ǾBDһ(dng)c(din)c(din)EDc(din)Bc(din)\(yn)(dng)cBDغϣ^(gu)c(din)EֱMNƽDCADMBCNEFAEECBCBL(zhng)F.
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2c(din)E\(yn)(dng)^(gu)УD12.1D12.2߅AFNMeǷl(f)׃?Ո(qng)f(shu).
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24.}M14֣D13֪タ (jng)^(gu)O(0,0)A(4,0),B(3, )c(din)BY(ji)AB^(gu)c(din)BBC Sԓタc(din)C.
1 @lタĺ(sh)P(gun)ϵʽ.
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2 ɂ(g)(dng)c(din)PQքeOAc(din)ͬr(sh)l(f),ÿ1(g)λL(zhng)ȵٶ\(yn)(dng). c(din)P0AAc(din)\(yn)(dng)c(din)Q۾ABC·Cc(din)\(yn)(dng). O(sh)@ɂ(g)(dng)c(din)\(yn)(dng)ĕr(sh)g ) (0 4)PQAeӛS.
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Sc ĺ(sh)P(gun)ϵʽ
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(dng) ֵr(sh)SֵֵǶָ˕r(sh)PQAΠ
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Ƿ@ӵ ֵʹáPQAֱ?Ո(qng)ֱӌ(xi)˕r(sh)PQc(din)(bio)Ո(qng)f(shu). 2007ЮI(y)W(xu)I(y)ģMԇ
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һx} BDACA BCBCD } 114 12. 2 13. 𰸲Ψһ(:y=x+1,y=x-3ȵ.) 14. 107 15. 16.
35 17. 10 18. 18 } 19ɣ1c2MɵĴ(sh)ĺͣxMϿɅձ}(bio)(zhn)o֣. +
1֣
4֣
6֣
8֣
10֣
ע: (sh)ʽ1c3ĺ͞ (sh)ʽ2c3ĺ͞ . 201(hu)D_.
3֣ 2316, 165, 38.6(38.4), 139, 13.6(13.4) 8֣ 21O(sh)ԓ˾ƸܛNˆTxܛO(sh)Ӌ(j)ˆTyˣ 1֣ } 6֣ @(g)̽M 9֣ ԓ˾ƸܛNˆT50ܛO(sh)Ӌ(j)ˆT70. 10֣ עⷨ(bio)(zhn)o. 22(hu)ăɂ(g)D,һ(g)DֻS(du)Q(ֻČ(du)Q)Ľo4,һ(g)DS(du)QDČ(du)QDεĽo6.𰸲Ψһ,O(sh)Ӌ(j)DH.
23.1 ߅ABCDBDnj(du)ǾMNDC ߅AMNB߅MNCDǾΣ
MED͡NBEǵֱ.
AME=ENF=90AM=BN=NE. 3֣ EFN+FEN=90.
4֣ ֡ EFAE AEM+FEN=90 5֣ EFN=AEM
6֣ AMEաENF.
7֣ 2߅AFNMe](mi)аl(f)׃.
8֣ ?(dng)c(din)E\(yn)(dng)BDc(din)r(sh) ߅AFNMǾS߅AFNM= . 9֣ ?(dng)c(din)EBDc(din)r(sh)c(din)E\(yn)(dng)cc(din)BDغϣ^(gu)߅AFNMֱ. ɣ1֪AMEաENF. ͬD12.2УAMEաENF. ME=FNAM=EN. AM+FN=MN=DC=1.
11֣ @r(sh) S߅AFNM= (AM+FN)?DC= ?1?1= . Cϣ??֪߅AFNMeһ(g)ֵ. 12֣ 241 タ (jng)^(gu)O(0,0)A(4,0),B(3, ) . . 2֣ タĺ(sh)P(gun)ϵʽ . 3֣ (עタĺ(sh)P(gun)ϵʽϘ(bio)(zhn)o.) 2 ^(gu)c(din)BBE SEtBE= AE=1AB=2. tanBAE= áBAE =60.
4֣
?(dng)c(din)QھAB\(yn)(dng)0 2r(sh)QA=tPA=4- .
^(gu)c(din)QQF SFtQF=
S= PA?QF 
. 6֣
?(dng)c(din)QھBC\(yn)(dng)2 4r(sh)Qc(din)Ŀv(bio) PA=4- . @r(sh)S= .
8֣ ڣ?(dng)0 2r(sh) . (dng) =2r(sh)SֵֵS= . 9֣ ?(dng)2 4r(sh)
SS pС. (dng) =2r(sh)Sֵֵ . Cϣ??(dng) =2r(sh)Sֵֵ . 10֣ PQAǵ߅. 11֣ . 12֣ (dng)c(din)QھAB\(yn)(dng)r(sh)ҪʹáPQAֱʹáPQA =90㣬@r(sh)PA=2QA4- =2 . PQc(din)(bio)քeP1( ,0)Q1( , ). 13֣ (dng)c(din)QھBC\(yn)(dng)r(sh)QPc(din)ęM(bio)քe5- ҪʹáPQAֱΣt5- =  PQc(din)(bio)քeP2( ,0)Q2( , ). 14֣ (עⅢϘ(bio)(zhn)o.)
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