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        1. Ӣҽ̾W(wng) > > }ĿԔ

          һl~Сں߅a^СխL(zhng)(Ӌ(j)һ).һλͬW(xu)һ(g)ߴԜy(c)|(zh),M(jn)²:ƽдa^ͣ,ڰӛ´βλȻppĴβϴ.ߵ^´,þߜy(c)ׂ(g)x|(zh)mՈ(qng)شІ(wn)}?

          1ԓͬW(xu)Ǹ(j)________Ɂ(li)y(c)С|(zh)?

          2ҪԓͬW(xu)y(c)ľxքe________f(shu)ٽoÿһ(g)xxһ(g)ĸ

          3y(c)O|(zh)M =_________(d)ʽ.

           

          𰸡

           (1)(dng)غ (2)L(zhng)Lʹ˾xl? ?(3)M=

          ԇ}\(yn)(dng)r(sh)ˣO(sh)˵|(zh)m|(zh)M,Ʉ(dng)غ֪t

          c(din)(dng)غ㶨

          c(din)u(png)}\(yn)(dng)ڷ_\(yn)(dng)Q@(wn)}P(gun)IǷ岻ͬB(ti)

           

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

          Ŀ (li)Դ

          һl~Сͣں߅a^СխL(zhng)Ӌ(j)һңһλͬW(xu)һ(g)ߴԜy(c)|(zh)M(jn)²Ȍƽдa^ͣppĴβϴߵ^ͣ(li)pp´þߜy(c)˵ľxdȻþߜy(c)L(zhng)L֪|(zh)mtO|(zh)
          A
          m(L+d)
          d
          B
          md
          (L-d)
          C
          mL
          d
          D
          m(L-d)
          d

          鿴𰸺ͽ>>

          Ŀ (li)Դ

          һl~Сͣں߅a^СխL(zhng)Ӌ(j)һңһλͬW(xu)һ(g)ߴԜy(c)|(zh)M(jn)²ƽдa^ͣڰӛ´βλãȻppĴβϴߵ^´þߜy(c)ׂ(g)x|(zh)mՈ(qng)شІ(wn)}?
          1ԓͬW(xu)Ǹ(j)
          (dng)غ
          (dng)غ
          Ɂ(li)y(c)С|(zh)?
          2ҪԓͬW(xu)y(c)ľxքe
          L(zhng)Lʹ˾xl
          L(zhng)Lʹ˾xl
          f(shu)ٽoÿһ(g)xxһ(g)ĸ
          3y(c)O|(zh)M=
          m(L-l)
          l
          m(L-l)
          l
          _(d)ʽ

          鿴𰸺ͽ>>

          Ŀ (li)Դ

          һl~Сں߅a^һλͬW(xu)һ(g)ߴԜy(c)|(zh)ppĴβ^pp´þߜy(c)˵ľxdʹL(zhng)̣֪|(zh)mtС|(zh)飨
          .. . .

          鿴𰸺ͽ>>

          Ŀ (li)Դ2013øCʡҴи10¿Wԇ }

          һl~Сں߅a^СխL(zhng)(Ӌ(j)һ).һλͬW(xu)һ(g)ߴԜy(c)|(zh),M(jn)²:ƽдa^ͣ,ڰӛ´βλãȻppĴβϴ.ߵ^´,þߜy(c)ׂ(g)x|(zh)mՈ(qng)شІ(wn)}?
          1ԓͬW(xu)Ǹ(j)________Ɂ(li)y(c)С|(zh)?
          2ҪԓͬW(xu)y(c)ľxքe________f(shu)ٽoÿһ(g)xxһ(g)ĸ
          3y(c)O|(zh)M =_________(d)ʽ.

          鿴𰸺ͽ>>

          ͬ(x)(c)