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喜欢学习，使用Geogebra来研究一些数形结合的初中数学题。
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第22章04数学活动02 二次函数的几何意义01版
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第22章04数学活动02 二次函数的几何意义01版
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人教版九年级数学上册
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三角形内部整数点
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2
无刻度直尺作图题题例
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圆柱、圆锥、正四面体三视图
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12
人教版九年级数学下册
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正多边形的位似图
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正多边形的位似图
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未命名
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2
美丽的曲线方程
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美丽的绿叶花瓣
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