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探究平行四邊形的特性
Author:
Ng KC
GeoGebra
New Resources
找出對稱軸
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
異分母分數減法
四邉形 (四年級) 教師版
Discover Resources
腳踏車輪圈2
ma_test
Indices 5
合 24（附答案）
圓周角觀察操作
Discover Topics
Scatter Plot
Cuboid
Volume
Fractal Geometry
Line Segment