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整体代入秒杀
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三角形五心
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从这个视频起,重新认识初中数学️
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代数式两种方法
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飞镖模型几何题
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恍然大悟了
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科学计数法
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初中八年级数学先化简再求值整体通分
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基础很重要哈!
27次播放 | 01:22![](http://p5.a.yximgs.com/uhead/AB/2022/01/02/16/BMjAyMjAxMDIxNjEyNDJfNzU0ODI3MTcwXzJfaGQ2NTBfMzkz_s.jpg?imageslim)
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30秒做规律题
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初中几何知识点
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函数的交点
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求角度妙招
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完全平方公式运用
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分解因式
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