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  • 3+7+xרҵɿγ̽취
  • ʱ䣺2011-04-21ϢԴѧԺ壺[ С]
  • 1.γϵ˲ĺݣγʵʩʵרҵ˲ĿҪ;γǺѧҪָꡣˣѧĿγϵDZ֤˲ĹؼڡΪѧĿγϵУȷ“3+7+x”ɿγ̽ģʽ

    2.“3+7+x”רҵɿγ̣¼“3+7+x”γ̣ʵָרҵ˲Ŀصγ̡“3+7+x”е“3”ָÿѧյ3ͨʶ޿γ̣ѧӢѧѧġӦû“7”ָÿѧյ7ѧƻγ̣γ̵ѡӦݱרҵѧָίԱȷĺɿγ̺Ͳοѧͬרҵγ̵Ļϣձרҵ˲Ŀȷ“X”ָÿѧյ5רҵ֪ʶչרҵ֪ʶרҵγ̡

    3.񴦶“3+7+x”γ̵ĽѧơӢκʵԿγ̰СϿΣ༶󲻳60ˡۿγ̵İ༶Ҳܳ120ˡ񴦽ɿγ̰༶ÿѧڽһͨ

    4.ҪʵӴ“3+7+x”γ̵Ľѧʱѧ֣ݿγص㰲ſôɼϰʱ䡣ӿʱſôɵ“3+7+x”γ̣顢񴦡γѧԺǿල

    5.ӳ“3+7+x”γ̵Ŀʱ䡣ѧѧϰ“3+7+x”γЧĿɽͳһ֯ʵʩԿԣҲɼķʽɽͳһ֯濼ʱӳ150ӻ180ӡ

    6.“3+7+x”γ̲貹޶ϸѧޡ

    7.ѧ“3+7+x”γ̳ɼѧʿѧλҹѧ“3+7+x”γ̼ȨƽɼڱҵȨɼռ70%ıĿɼڱҵȨɼռ30%ѧıҵȨɼ70ֲȡѧʿѧλʸ񡣱ҵȨɼʽ㣺ҵȨɼ=“3+7+x”γ̼Ȩƽɼ×70%+γ̼Ȩƽɼ×30%

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