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比較角的大小2
Author:
cheukyiu813
GeoGebra
New Resources
異分母分數減法
四邉形 (四年級) 教師版
找出對稱軸
畫出對稱圖形
算柱 (兩位數)
Discover Resources
減法運算
Time
座位奇想(因應疫情 加大座位間隔) 最密堆積
周界與面積
畫三角形 題1a 的複本
Discover Topics
Fractal Geometry
Reflection
Volume
Subtraction
Quadrilaterals