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探究平行四邊形面積(2)
Author:
Ms Wong
GeoGebra
New Resources
畫出對稱圖形
四邊形的特性
兩組對邊相等的四邊形
球体的体积推导（优化版）
柱體建築師
Discover Resources
勾股定理
棒形圖2
碎形
规律点问题的动态演示
平面截距式的副本
Discover Topics
Histogram
Geometry
General Quadrilateral
Statistical Characteristics
Trigonometric Functions