摘要：14计算:． (2007江西省中考试题 答案．解:原式 ··················· 3分 ······················· 4分 6分 15．化简: 答案．解:原式······················ 2分 ····················· 4分 ···························· 6分 这两题计算化简题母的是为了考查学生的做题细心程度

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