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回顾与 思考 — 谈 2012 年数学高考复习. 提纲 回顾八年数学高考 二零一二复习思考 注重启迪解题意识着力抓住核心概念. 一、回顾 八年数学高考. 2011 年试卷难度统计 (理). 试卷:平均分 80.92 (比 2010 年低 8.24 ) 难度系数 0.5395 ( 2010 年 0.5942 ) 标准差 24.22 ( 2010 年 22.60 ) Ⅰ 卷 40 分 平均分 30.61 难度 0.765 ( 0.7596 ) Ⅱ 卷 110 分 平均分 50.3 难度 0.4573 ( 0.5102 ) - PowerPoint PPT Presentation
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2012
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