对于有些概念很模糊.刚开学几天.就一大堆不会.有几个概念不清楚.1.平均速度与瞬时速度的区别.交会了我,定有重谢.
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![对于有些概念很模糊.刚开学几天.就一大堆不会.有几个概念不清楚.1.平均速度与瞬时速度的区别.交会了我,定有重谢.](/uploads/image/z/5104953-9-3.jpg?t=%E5%AF%B9%E4%BA%8E%E6%9C%89%E4%BA%9B%E6%A6%82%E5%BF%B5%E5%BE%88%E6%A8%A1%E7%B3%8A.%E5%88%9A%E5%BC%80%E5%AD%A6%E5%87%A0%E5%A4%A9.%E5%B0%B1%E4%B8%80%E5%A4%A7%E5%A0%86%E4%B8%8D%E4%BC%9A.%E6%9C%89%E5%87%A0%E4%B8%AA%E6%A6%82%E5%BF%B5%E4%B8%8D%E6%B8%85%E6%A5%9A.1.%E5%B9%B3%E5%9D%87%E9%80%9F%E5%BA%A6%E4%B8%8E%E7%9E%AC%E6%97%B6%E9%80%9F%E5%BA%A6%E7%9A%84%E5%8C%BA%E5%88%AB.%E4%BA%A4%E4%BC%9A%E4%BA%86%E6%88%91%2C%E5%AE%9A%E6%9C%89%E9%87%8D%E8%B0%A2.)
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