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һһһ ɢ(1/2)
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    һ֮󣬰ڵĿ˾ѷ׷ȥ½ɢ

    ԭժ֮󣬻׼һ磬и衣ֽΣȻûܼȥ

    Ԫһң뿪ʾһΪףȻɻڴ˼䡣ϵˣҲû˭Ըվһ𣬷׷׷ǰļλߡٽţֵЩˡ

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    治֪Դʲôҩ

    ˴زǺ˵ⰲЩ˾˵Ǻܴ

    ûϣֻһİʲôΪԼо֮󣬾ͿԴӴ˺ˡ

    Ȥ

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    ҿһ£֪ڵġ

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    ضصĽЩ׳ʣһ壬治ס

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    ׳Ц˼תΪأȾѶǾ;ȥҪͷ㸸Ѱ

    ֪⣬Ц𡣸ôʲôѡͨպҪǺڣ߲ȥȴضʧ

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    ԣ̫ϢãɲֻϢѣɸԪ顣ܸʣȡԪٶȡᳬѰ˶֮࣬ڿٳŸϡڴϢԪ

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    ѷ٣ȴһ壬ϵĹǣҪġ

    мλȤҪ̸һµijԲϣֻܾԼ˵һ䡣е٩˵ɵ󣬻ϣҲ˵ҿ˵ٹʮ꣬ҴعֶһңĵȾͲ֪ˣֻΪ嵣Ժŵ㣬ժǼԪ̫ݣ˼ꣻȻҲ泰ģ˵֮󣬱˵ϣⰲ治ڣδֲ֪δؾͲ
һһһ ɢ(1/2),һҳĶ
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