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    ˾ص㷨ʮ壩

    Ԝʮ¡ܡݠ

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    ԜʮͬƲ׵ĵˣf(xi)xϵĵصķԺݠxx񹲺͹Ժݠģ`ԂݠݠĹ?

    Ԝʮϵ\Ժݠ飬ӦߴģΪόΪйķ?

    Ԝʮx񹲺͹ʾII(y)ͬII(y)ͬ̽ȻԴͬϣx񹲺͹Ժݠ

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    Ϲݠգ
    1ݠ(243)صգ2000ɿ
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