题目

People all have something to say. Some express their passion (强烈的感情) through clothe, art, or community involvement. Others express themselves with poetry, which has diverse poetic forms to express unique thoughts, experiences, and imagination at the fourth annual People’ s Poetry Festival held Feb. 28 through March 2.“The People’s Poetry Festival keeps getting bigger and bigger—it’s an event we’re really proud of,” said Dr Mark Hartlaub, College of Liberal Arts Dean at Texas. The festival covered a wide variety of topics including nature, humor, women and history. From 为了坚持开展阳光体育运动,让中小学生“每天锻炼一小时”,某市体育局搞了一个随机调查,估计2010年该市中小学生每天锻炼超过1小时的约有10万人.如果计划2012年该市中小学生每天锻炼超过1小时的人数上升到14.4万人,求2010年至2012年锻炼超过1小时人数的年平均增长的百分率是多少?设年平均增长的百分率为,则可得方程                        .
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