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旋轉對稱 Rotational symmetry
Author:
TANG TSZ YUEN
Topic:
Symmetry
GeoGebra
New Resources
四邉形 (四年級) 教師版
兩位數加法
判斷球體
拼砌四邊形
異分母分數減法
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ghseh 二次函數描點法左右平移-4
直線上的鄰角_1
動態畢氏定理
笛卡兒心臟線 的複本
小正多边形在大正多边形内的滚动(边长相等)
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Derivative
Kite
Fractions
Pyramid
Cone