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        1. 2012•hģMĸL(zhng)3cmֱ4cmĈAF(c)չ_(ki)De
          6
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          ÈAFĂ(c)e=AFĸСAFAİ돽ֱɣ
          ⣺߈AFĵֱ4cm
          Aİ돽2cm
          AFĂ(c)e=С23=6cm2
          ʴ𰸞飺6cm2
          c(din)u(png)}ˈAFӋ(j)Լ(c)eʽˈAF(c)eʽǽ}P(gun)I
          (x)(c)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) (li)Դ

          2012•hģM(sh)y=
          2
          x-2
          ׃xȡֵڔ(sh)SϿɱʾ飨

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          2012•hģMijł(g)W(xu)(x)СM˔(sh)քe5556x7778֪@M(sh)(j)ƽ(sh)6t@M(sh)(j)λ(sh)ǣ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          2012•hģMDOֱAB=12CDABMMǰ돽OBc(din)tCDL(zhng)
          6
          3
          6
          3
          Y(ji)̖(ho)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          2012•hģMD֪タy=-
          2
          5
          x2+
          8
          5
          x+2xSABc(din)c(din)Ac(din)B(c)cySc(din)C
          1c(din)ABC(bio)
          2c(din)M钁タc(din)BBCCMBMBCMe
          3BACxSǷc(din)PʹACPڣՈ(qng)c(din)P(bio)Ո(qng)f(shu)ɣ

          鿴𰸺ͽ>>

          ͬ(x)(c)