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畫鐘面的副本
Author:
Chan Lai Man
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
算柱 (兩位數)
四邉形 (四年級) 教師版
兩組對邊相等的四邊形
Fibonacci Clock
兩組對邊相等和有直角的四邊形
Discover Resources
龍騰4_1-1講進4
用極座標做時鐘
畢氏定理平移版
藝術之美 (1)
N-ellipse
Discover Topics
Combinatorics
Cosine
Area
Rotation
Means