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        1. }ĿijW(xu)Уwn(dng)dȤСM_(ki)O(sh)wn(dng)(xing)ĿA BƹCë D@򣬞˽W(xu)ϲgһN(dng)(xing)ĿSC(j)ȡ˲֌W(xu)M(jn){(dio){(dio)Y(ji)LƳ˃ɷĽy(tng)Ӌ(j)DՈ(qng)شІ(wn)}

          1@α{(dio)ČW(xu)ˣνy(tng)Ӌ(j)DСD(du)(yng)ĈAĽǵĶȔ(sh)
          2Ո(qng)㌢lνy(tng)Ӌ(j)Da(b)
          3ƽr(sh)ƹ(xing)ĿӖ(xn)ס˱F(xin)(yu)㣬F(xin)Q@ͬW(xu)xMƹِǡxм҃λͬW(xu)ĸʣØ(sh)Dб𣩣

          𰸡
          1200,72
          2⣺C(li)˔(sh)200802040=60ˣ

          lνy(tng)Ӌ(j)D飺


          3⣺(hu)(sh)D£

          ψD֪12NȿܵĽY(ji)ǡxмס҃λͬW(xu)ĽY(ji)2N

          Pǡxм҃λͬW(xu)= =


          ⣺120 =200

          @α{(dio)ČW(xu)200

          νy(tng)Ӌ(j)DСD(du)(yng)ĈAĽǵĶȔ(sh)= 360=72

          ʴ𰸞20072㣻
          1ϲg˔(sh)ռİٷֱ=?c)˔?sh)ϲg@˔(sh)?c)˔?sh)360=νy(tng)Ӌ(j)DСD(du)(yng)ĈAĽǵĶȔ(sh)2ÿ?c)˔?sh)-ϲg˔(sh)-ϲgƹ˔(sh)-ϲg@˔(sh)=ϲgë˔(sh)M(jn)a(b)ȫlΈD3(j)}⮋(hu)(sh)D֪12NȿܵĽY(ji)ǡxмס҃λͬW(xu)ĽY(ji)2N(j)ʹʽӋ(j)㼴

          (x)(c)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) (li)Դ

          }ĿABCABACDBCc(din)DEABACc(din)EB34

          1BADĶȔ(sh)

          2CAEDE

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀ֪DABCDF(xin)߅BCc(din)DFc(du)ǾACc(din)M^(gu)MMECDc(din)E1=2

          1CE=1BCL(zhng)
          2CAM=DF+ME

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿijʯϩSij܇(ch)ga(chn)҃ɷNϵP(gun)Ϣ±Ո(qng)І(wn)}

          Sr(ji)

          ɱr(ji)

          ̎M(fi)

          ׷N

          2100Ԫ/

          800Ԫ/

          200Ԫ/

          ҷN

          2400Ԫ/

          1100Ԫ/

          100Ԫ/

          ÿ߀֧O(sh)So(h)M(fi)20000Ԫ

          1O(sh)ԓ܇(ch)gÿa(chn)҃ɷNϸx(rn)քey1Ԫy2Ԫքey1y2cxĺ(sh)P(gun)ϵʽ(ע(rn)=-֧)

          2֪ԓ܇(ch)gÿa(chn)ס҃ɷNϾ^(gu)400ijҪa(chn)ס҃ɷNϹ700ԓa(chn)סϸ?li)r(sh)@õĿ(rn)(rn)Ƕ٣

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿDABCADƽBACDEACABEDFABACFAF=6t߅AEDFL(zhng)ǣ 

          A. 24 B. 28 C. 32 D. 36

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿD߅L(zhng)1ξW(wng)УABCc(din)ڸc(din)c(din)AB(bio)քeA43B41ѡABC@c(din)Cr(sh)D(zhun)90õA1B1C
          1(hu)A1B1Cֱӌ(xi)c(din)A1B1(bio)
          2D(zhun)^(gu)ABC^(gu)e

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀ҇(gu)Ж|؅^(q)Fڅڇ(yn)h(hun)ѿ̲ݾij̈(chng)(j)񱊽ҪN(xio)ijNÿ՚M(jn)r(ji)200Ԫ/_(ti)(jng)^(gu)Ј(chng)N(xio)ۺl(f)F(xin)һ(g)ƒ(ni)(dng)ۃr(ji)400Ԫ/_(ti)r(sh)۳200_(ti)ۃr(ji)ÿ10ԪͿɶ۳50_(ti)؛Ҏ(gu)@N՚ۃr(ji)ܵ300Ԫ/_(ti)N(xio)ÿҪɲ450_(ti)N(xio)΄(w)
          1ԇ_N(xio)y_(ti)cۃr(ji)xԪ/_(ti)֮gĺ(sh)P(gun)ϵʽ׃xȡֵ
          2(dng)ۃr(ji)xԪ/_(ti)ٕr(sh)̈(chng)ÿN(xio)@N՚@õ(rn)wԪ(rn)Ƕ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿСĸL(zhng)ͬľl܉(dng)ΌW(xu)ߣȻ(dng)W(xu)߳ɞD1ʾy(c)áB=60㣬(dng)W(xu)߳ɞD2ʾy(c)Ì(du)ǾAC=40cmtD1Ќ(du)ǾACL(zhng)

          A. 20 cm B. 30 cm C. 0 cm D. cm

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀ֪Dc(din)CAOBһ߅OA^(gu)c(din)CֱDE//OBCFƽACDCG CFC

          1O =40ECFĶȔ(sh)

          2CCGƽOCD

          3(dng)Oٶȕr(sh)CDƽOCFf(shu)ɣ

          鿴𰸺ͽ>>

          ͬ(x)(c)