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tan900

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
兩位數除以一位數（二）
四邊形的特性

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幾何變換
Q5-7
Investigation on definite integral
第7题
我的第一个GGB绘本

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Sphere
Quadrilaterals
Cone
Difference and Slope
Geometric Transformations

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