<h1>R  4</h1>

        òŴӸ߳лѦ峹̯ıڻָѨľҺٳʪֽ

        λʱŰͻȻ졣

        ģ˰ľݵ⣬ҪҪԵ㣿ȣҲڰãһԵġ

        Ѧ༱�����²糣û֣侲ȴȻ޷

        ڸϰѧأȻٳ԰ɡ֪Ѧû취߶Ŀھܾ

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        ѦСͳļ棬²ҲϲôǺܺãŮһ

        лл̡Цŵл²ĺѦֻ֪һ͵͵룬һԿڽ衣

        Ӵôô죿ȣò˰ɣѦСһƬ²IJѡ

        Ѧ̵ͷȥ³²ע⵽ʪͷ΢ҵ·Сյ

        ղŽϰ̲ᣬұ˼䣬ʮأˣŮ𡣡˵Ļֹ

        ʹѦʹüŸͨգίؿ

        ģ۸СҿǮԼҶӣ²Ѧ̺ɫȥõЊϲIJݮζأŰġ

        űϺѦϣŸĵ˶һһէģȫſա

        ḧԼգڡû°ɣ𣿡

        ûСſϣѦ෢˧ӣղڰڰɣﲻеһ˿ۡ

        ԺӹſڣдϰУšȻž̴򿪣ʧȥŵ塣ҪĸͻȻѦҲţıԼָ̳ӡеܲ

        ѦֻЦţĿʼֽҪӣ˵Ʈƶˡ

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        ϸ߶Ľư࣬ѦȻĿư࣬ҵ÷أ˽ദʱҲż١

        Ȼ˱Ͳͬһ༶ְ֮γ̵ij̶һˣĵѧȿʼǰǰѧʱ˳㸴ϰȫռʱ䡣

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        ڴ·ֻѶѦתͷۡ

        ģҳȥ

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        Ǽգĵվ¹ǰѡ·ʱûԼȥʲô

        ǰҲԼȥĿĵģ˵ĸ׽ЬżŻῴӰֱȽԼж

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        Ȼ˰֮Ҳûһǣ·

        磬˳˳ȦֻͨҪʱIJŻԼѦ˺ܾҲû뵽˭գҲưͬѧ

        ҿһҪʲôһ仰Ϊ󣬹Ȼġ

        Ѧʼ硣ô֪ϲʲôЬϷƬ

        ÿʾ֭Һסڣ׾ܴ̽Ҫʲô