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        1. }ĿW(xu)У(sh)W(xu)ħIF(tun)F(tun)(zhn)ُ(gu)IABɷNħُ֪(gu)I2(g)A6(g)B130Ԫُ(gu)I1(g)A1(g)BNħ໨5Ԫ

          (1)@ɷNħĆ΃r(ji)

          (2)Y(ji)TF(tun)Qُ(gu)IABɷNħ100(g)(ANħ^50(g))p11gij̵ЃɷN(yu)ݻ(dng)DʾՈ(qng)(j)Ϣգُ(gu)IA________(g)r(sh)x(dng)һл(dng)ُ(gu)IM(fi)ͬ

          𰸡1ANħĆ΃r(ji)20Ԫ/(g)BNħĆ΃r(ji)15Ԫ/(g)245

          1O(sh)BNħĆ΃r(ji)xԪ/(g)tANħĆ΃r(ji)飨x+5Ԫ/(g)(j)}г⼴

          2O(sh)ُ(gu)Im(g)ANħr(sh)x(dng)һл(dng)ُ(gu)IM(fi)ͬ(j)}ĿеĵP(gun)ϵгʽ⼴.

          1O(sh)BNħĆ΃r(ji)xԪ/(g)tANħĆ΃r(ji)飨x+5Ԫ/(g)

          (j)}ã2x+5+6x=130

          ãx=15

          x+5=20

          ANħĆ΃r(ji)20Ԫ/(g)BNħĆ΃r(ji)15Ԫ/(g)

          2O(sh)ُ(gu)Im(g)ANħr(sh)x(dng)һл(dng)ُ(gu)IM(fi)ͬ

          (j)}ã0.820m+0.415100m=20m+15100mm

          ãm=45

          ُ(gu)IANħ45(g)r(sh)x(dng)һл(dng)ُ(gu)IM(fi)ͬ

          ʴ𰸞飺45

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

          ĿД(sh)W(xu) Դ

          }Ŀ20181017҇(gu)傀(g)ؚ,ijУW(xu)(hu)ɲ(du)W(xu)(do)ؚԸ(dng)M(jn)г{(dio),õһMW(xu)rĔ(sh)(j),(du)W(xu)У־˔(sh)M(jn){(dio)ͷֽMy(tng)Ӌ(j),(sh)(j)DʾĽy(tng)Ӌ(j)D,()֪A.BɽM˔(sh)ıȞ1:5.

          {(dio)ľ˔(sh)ֽMy(tng)Ӌ(j)

          Me

          ~x/Ԫ

          ˔(sh)

          A

          1x10

          a

          B

          10x20

          100

          C

          20x30

          ______

          D

          30x40

          ______

          E

          40x

          ______

          Ո(qng)Y(ji)ϢІ}

          (1)aֵͅc{(dio)Ŀ?c)˔?sh)

          (2)a(b)ȫ{(dio)ľ˔(sh)ֽMy(tng)Ӌ(j)D1Ӌ(j)BĈAĽǶȔ(sh)

          (3)֪ԓУЌW(xu)2200Ո(qng)Ӌ(j)(sh)30ԪČW(xu)˔(sh)ж?

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }ĿDABC AB=ACBAC ͡ACB ƽ־ཻc(din)DADC=125ôCAB ĴС_________ȣ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }ĿDABC߅BCϵĸߞAFAC߅ϵĸߞBGоAD.֪AF6BC10BG5.

          (1)ABCe

          (2)ACL(zhng)

          (3)ԇfABDACD

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }ĿD֪ABCAB=ACBAC=120ADBCc(din)Dc(din)PBAL(zhng)һc(din)c(din)OǾADһc(din)OP=OC

          1APO+DCOĶȔ(sh)

          2Cc(din)POCĴֱƽ־ϣ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }ĿD֪ քe A 돽BӻĽc(din)õֱ ȡһc(din) ʹ L(zhng)  ĶȔ(sh)飨

          A.
          B.
          C.
          D.

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }ĿDABC(jng)^һƽƵDFEλՈ(qng)شІ}

          (1)c(din)CČ(du)(yng)c(din)c(din)__________D=__________BC=__________

          (2)BCEôƽƵķ__________ķƽƵľxǾ__________L(zhng)

          (3)BADBFBEcCEȵľ__________.

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }Ŀ呟W(xu)w|(zh)Ӗ(xn)ԽҰܣijУһ@(ni)eжԽҰ(zhn)ِ·DD1ʾc(din)EABCD߅ADc(din)ھABCDĂ(g)c(din)̎жλxɱO(jin)y(c)\(yn)(dng)TԽҰM(jn)̣һλ\(yn)(dng)TPc(din)Bl(f)BED·M(jn)_(d)c(din)DO(sh)\(yn)(dng)TP\(yn)(dng)r(sh)gtO(jin)y(c)c(din)ľxyF(xin)yctĺ(sh)P(gun)ϵĈDD2ʾt@һϢāԴO(jin)y(c)c(din)飨

          A.Ac(din)
          B.Bc(din)
          C.Cc(din)
          D.Dc(din)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ

          }ĿӋ(j)㣺 1Щ3.140 +2sin60㣮

          鿴𰸺ͽ>>

          ͬ(x)(c)