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tan90

Author:tan90

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GeoGebra笔记功能体验课件
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
兩組對邊相等的四邊形
柱體建築師

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task8
比較角的大小
正五角柱(可旋轉)
題4
弹簧振子的简谐运动

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Matrices
Binomial Distribution
Scalene Triangles
Quadratic Equations
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