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保持2:3:4
Author:
hjyanghj
Topic:
Geometry
GeoGebra
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異分母分數減法
四邉形 (四年級) 教師版
GeoGebra笔记功能体验课件
三位數除以一位數（二）
兩位數除以一位數（二）
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test
四次函數圖形&反曲點
圈柱(可調整內半徑、外半徑，柱高)
Reflectional symmetry of Triangular prism
圓錐截痕
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Equations
Reflection
Statistical Characteristics
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