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ex 2
Author:
LAM YU SANG
GeoGebra
New Resources
兩組對邊相等的四邊形
長方體平面投影 (Codex版)
畫出對稱圖形
算柱 (兩位數)
近似值：有效數字
Discover Resources
指數與對數
Parallelogram 02 - testing
展開基本
正弦线与直线
推移（x 方向）的副本
我的第一个GGB绘本
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Quadrilaterals
Curve Sketching
Rectangle
Algebra
Linear Programming or Linear Optimization