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陳隆期
GeoGebra
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兩位數除以一位數（二）
GeoGebra笔记功能体验课件
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
找出對稱軸
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中國火柴遊戲二
GeoGeBra畫橢圓形的動態軌跡
棒形圖2(我最喜愛的科目)
hjzx123456
拋物線3-平行四邊形法
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Geometric Transformations
Distributions
Statistical Characteristics
Matrices
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