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Copy of 圖一
Author:
ssysams
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩位數加法
畫出對稱圖形
直角坐標平面上的旋轉變換
三位數除以一位數（二）
異分母分數減法
Discover Resources
以 Unit Circle 了解 Sine 的正/負
testing2
年龄问题
圓面積示範
dingding_test
Discover Topics
Tree Diagrams
Fractal Geometry
Numbers
Ellipse
Optimization Problems