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ѧ˿ÿѧ100Ϊ׼۷ֺͼӷ֣Уƽ֡עֵΪÿÿο۷ֻӷֱ׼
1.Ͽοˣٵ(0.2)ˣ0.2֣٣0.1¼٣0.5Σ2֣Υͣ2֣ɳã1֣
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5ῼˣ޹ޣ1֣ޣ1֣ޣ5֣޲٣0.1֣¼٣0.5֣ΥҼɣ2֣˽Դ޴λ1֣
6.ѧճΪ۷͡ʽϸ񣨿5֣װϸ񼰴Ь2֣ƻ1-5֣˵໰5֣ʱ𴲣1֣ӣ2֣Υõ磨5֣޹ʲμѧУ5֣𻵹5֣ѧУ5֣ǽ5֣ڽѧ¥ִ2֣̣5֣ƣ5֣ܶŹ7֣ӹ1-5֣
7.ܼɴֿ۷֣洦֣10֣ϳ;洦֣15֣ǹ֣20֣У쿴֣30֣
8.ѧýӷУһȽ3֣УڶȽ2֣УȽ1֣Уڲ뽱0.5֣мһȽ5֣мȽ4֣мȽ3֣м뽱2֣ʡһȽ7֣ʡȽ6֣ʡȽ5֣ʡ뽱4֣У㣨4֣˺£ÿμ1֣ʱκѧԱṩмֵϢ1—5֣
9.˿ѧƽ60ΪϸѧУȡƼʵϰҵʸѧڿƽ40ѧУӻҵꡣѧڿƽ20ѧУӻҵҼ
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