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冷氣機的銷量
Author:
iedc
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
GeoGebra笔记功能体验课件
異分母分數減法
三位數除以一位數（二）
Discover Resources
平面鏡成像 Image of Plane Mirror Reflection
最小周長
向量線性組合的範圍
gjc097a29 重心
Mathematics and Optics (and their applications)
Discover Topics
Arithmetic Mean
Hyperbola
Trigonometric Functions
Frequency Distribution
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