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        1. ijW(xu)@(du)ë(du)ƹ(du)ijЩ(du)Tֹһ֧(du)wrDʾF(xin)SC(j)ȡһ(du)T

          (1)ԓ(du)Tֻһ֧(du)ĸ
          (2)ԓ(du)Tڃ֧(du)ĸʣ

          (1) (2)

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

          ĿД(sh)W(xu) Դ }

          12 дСͬļtSɷNɫ1(g)ȡ1ֻзŻصسȡ3Σ
          (1)3ֻȫǼtĸ
          (2)3ֻɫȫͬĸʣ
          (3)3ֻɫȫͬĸ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ }

          F(xin)(du)ijйнAP(gun)ڡُđB(ti)M(jn){(dio)SC(j){(dio)50?c)l(sh)ֲ(du)Сُٝ˔(sh)±

          루λԪ
          [15,25
          [2535
          [3545
          [4555
          [5565
          [65,75
          l(sh)
          5
          10
          15
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          5
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          ٝ˔(sh)
          4
          8
          12
          5
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          1
          Ͻy(tng)Ӌ(j)(sh)(j)22“(lin)Ƿ99%İJ(rn)顰5500ֽc(din)(du)ُ đB(ti)в
           
          벻55Ԫ˔(sh)
          55Ԫ˔(sh)
          Ӌ(j)
          ٝ


           
          ٝ


           
          Ӌ(j)
           
           
           
          )(du)[1525 [2535ı{(dio)иSC(j)xȡM(jn)׷ۙ{(dio)飬ӛxе4вٝɡُ˔(sh) SC(j)׃ķֲм(sh)W(xu)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ }

          (С}M12)b35(g)ÿ(g)϶(bio)135һ(g)̖(ho)aO(sh)̖(ho)anˣ@Щȿܵ؏Ĵбȡ.
          (1)ȡ1ԇ̖(ho)a(sh)ĸ
          (2)Żȡ2ԇȵĸ
          (3)ȡһ򣬮(dng)̖(ho)a(sh)tŻأ(dng)С̖(ho)a(sh)r(sh)tֹͣȡ.Ҏ(gu)tȡ3O(sh)ֹ֮ͣǰȡΔ(sh)E.

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ }

          O(sh)P(gun)xһԪηx2+2ax+b2=0.
          aǏ0123Ă(g)(sh)ȡһ(g)(sh)bǏ012(g)(sh)ȡһ(g)(sh)Ќ(sh)ĸ.
          aǏą^(q)g03ȡһ(g)(sh)bǏą^(q)g02ȡһ(g)(sh)Ќ(sh)ĸ.

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ }

          Ůx˅vِ,
          x˶ĸ;xǡŮĸ;xŮĸ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ }

          ڊW\(yn)(hu)Qِِ̖(ho)a14̖(ho)\(yn)(dng)Tِ.
          ͨ^麞ŵ14̖(ho)λԇǡЃ\(yn)(dng)Tλ̖(ho)c䅢ِ̖(ho)aͬĸʣ
          ӛ1̖(ho)2̖(ho)\(yn)(dng)Tĭh(hun)(sh)ȡֵ012310ĸʷքe.(j)̾TṩYϣʷֲ±:


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          0
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          0.06
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          0
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          0.05
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          0.2
          0.32
          0.32
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          12̖(ho)\(yn)(dng)Tһһ9h(hun)ĸʣ
          Д1̖(ho)2̖(ho)\(yn)(dng)Tlˮƽfɣ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ }

          12֣
          ˅һҹ˾Ƹԇԇϸ߿ʽsױʾֻҪԇϸͺs.tsԇϸһͬst˶s.O(sh)ԇϸĸʞԇϸĸʶԇǷϸ񻥲Ӱ푣
          11ԇϸĸ;
          2s˔(sh)ķֲк͔(sh)W(xu)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) Դ x}

          6վһ3(g)˲ܶվһŷN(sh)()

          A720 B144 C576 D684

          鿴𰸺ͽ>>

          ͬ(x)(c)