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          1@SC(j)_______W(xu)

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          𰸡12002ԔҊ34240.

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          ʴ𰸞飺54

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          𣺹Ӌ(j)ԓУɿ(j)80x100(ni)ČW(xu)240ˣ

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          ĿД(sh)W(xu) (li)Դ

          }ĿDABC@c(din)Br(sh)?l)D(zhun)õEBDc(din)Ec(din)Dքecc(din)Ac(din)C(du)(yng)c(din)D߅AC߅DE߅ABc(din)FBDCסABC֪AC5ôDBFe_____

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿDڡABCACBֱAB=10돽1Ą(dng)AQĈAďc(din)Cl(f)CB1(g)λL(zhng)/ٶȄ\(yn)(dng)ͬr(sh)(dng)c(din)Pc(din)Bl(f)BAҲ1(g)λL(zhng)/ٶȄ\(yn)(dng)O(sh)\(yn)(dng)r(sh)gt루0t5PPBL(zhng)돽ġPcABBCһ(g)c(din)քeEDBY(ji)EDEQ

          1ДಢCEDcBCλP(gun)ϵ(dng)c(din)Qcc(din)Dغϕr(sh)tֵ

          2(dng)PACཻr(sh)O(sh)CQPAC صõL(zhng)P(gun)ĺ(sh) (dng)Q^(gu)c(din)Br(sh)PACصõL(zhng)

          3PcQཻtȡֵ

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          ĿД(sh)W(xu) (li)Դ

          }ĿD߅ABCDǾc(din)EAD߅c(din)FADL(zhng)BE=CF

          1EBCFƽ߅Σ

          2BEC=90ABE=30㣬AB=EDL(zhng)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀƽֱ(bio)ϵУタcSc(din)c(din)c(din)(c)(du)QScSc(din)30

          1ı_(d)ʽc(din)(bio)

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          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿDABCD߅ACһc(din)“(lin)Y(ji)BDoЗlABD=ACBAB2=ADACADBC=ABBDABBC=ACBDІΪ(d)܉жABDסACBĂ(g)(sh)ǣ

          A. 1(g) B. 2(g) C. 3(g) D. 4(g)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀ֪DABCУAB = 4BC = 5c(din)P߅AC“(lin)Y(ji)BPBPһ߅BPQc(din)BPQr(sh)Уc(din)GBPQģ“(lin)Y(ji)BGPBG =BCAQBG =BAC“(lin)Y(ji)CQL(zhng)߅ABc(din)MO(sh)PC = x

          1ֵ

          2yP(gun)xĺ(sh)P(gun)ϵʽ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿDȫͬƱ泯ϴϼ҃M(jn)Α򣬼ȏSC(j)ȡһӛ”(sh)ٷŻϴ?gu)SC(j)ȡһ

          1׳鵽@һ¼ ¼SC(j)Ȼ

          2ØDбķ҃˳鵽ͬһƵĸʣ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀ֪DھABCDc(din)E߅ADϣc(din)F߅BCAE=CFEGFHքec(du)ǾBDc(din)GHBEHFG

          1CBFHաDEG

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          鿴𰸺ͽ>>

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