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旋轉對稱 Rotational symmetry
Author:
TANG TSZ YUEN
Topic:
Symmetry
GeoGebra
New Resources
直角坐標平面上的旋轉變換
判斷球體
兩位數除以一位數（二）
算柱 (兩位數)
第八周作业
Discover Resources
從 12 面體、20 面體到 C60 C80
第一次任務
Tusi Couple
GeoGebra
kkklkl
Discover Topics
Linear Regression
Congruence
Arithmetic Mean
Parallelogram
Derivative