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20楼#
发布于：2015-08-15 22:33
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21楼#
发布于：2015-08-15 22:34
从来没有过눈_눈
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22楼#
发布于：2015-08-16 09:07
guojiongwen：s=1/2at^2 是怎么来的？还有s=vt+1/2at^2 ,vt^2--vo^2=2as 就这些了回到原帖初速度为零啊。。 |
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23楼#
发布于：2015-08-16 10:33
楼主，我问了几个？你这回答意思啊？
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24楼#
发布于：2015-08-16 14:12
傲德老师·，选择题通读答案。
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25楼#
发布于：2015-08-16 20:26
guojiongwen：楼主，我问了几个？你这回答意思啊？回到原帖那都是基本公式啊。。。建议你先把高一年课本拿出来看一遍。。。 |
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26楼#
发布于：2015-08-16 20:26
zt2772098096：傲德老师·，选择题通读答案。回到原帖用的怎么样？ |
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27楼#
发布于：2015-08-16 21:06
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我初三刚毕业，没有的课本
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