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190517-气压带风带的形成

Added by 22161004 6 年 ago

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190613-等差数列前n项和说课-22160637

Added by 22160637 6 年 ago

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190613-函数的零点说课-22160626

Added by 22160626 6 年 ago

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https://v.youku.com/v_show/id_XNDIyNzk2MjUzMg==.html?spm=a2h3j.8428770.3416059.1 互评量表

190618-牛顿第三定律-22160723

Added by 22160723 6 年 ago

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190423-动能与动能定理-22160720

Added by 22160720 6 年 ago

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